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Why Everything Begins with Healthy Cells

Before You Read…

What if one of the most important foundations of your health has been overlooked?

Not because your doctor doesn’t care.

Not because you aren’t trying to be healthy.

But because most people have never been taught to think about it.

In this article, I’m going to share with you the difference between feeling better and being better as it pertains to overall health. You’ll learn why every organ in your body depends on healthy cells, why the health of your cell membranes matters more than most people realize, and how understanding your body at the cellular level may change the way you think about health forever.

I also realize this is a lengthy article for some, so, pause and take breaks along the way. I wrote it with one purpose in mind—to help you better understand your body and empower you to make more informed health decisions. I truly believe the knowledge you’ll gain is something you’ll carry with you for the rest of your life.

And if reading isn’t your preferred way to learn, I’d be happy to help. You can schedule a free 20-minute consultation, and I’ll walk you through the key concepts and answer your questions personally.

Schedule your free consultation here: https://calendly.com/dietfreelife/free-consultation

The Purpose of This Article

After more than thirty years as a clinical nutritionist, I’ve had the privilege of helping thousands of people improve their health. During that time, I’ve worked with people who wanted to lose weight, lower their blood pressure, improve their blood sugar, think more clearly, reduce inflammation, have more energy, support healthy aging, and simply feel better.

Although every person’s story is different, I’ve noticed something remarkably consistent.

Most people make health decisions based on one simple goal.

They want to feel better.

There is absolutely nothing wrong with that.

If you’re living with pain, I want your pain to improve.

If you’re struggling with poor sleep, I want you to sleep through the night.

If you’re experiencing hot flashes, brain fog, or low energy, I want you to find relief.

Helping people feel better is one of the goals of healthcare, and it should be.

But over the years, I’ve come to realize there is another question we should be asking alongside that one.

Are we simply trying to feel better…or are we helping our bodies become healthier?

At first, those two questions sound like they mean the same thing.

They don’t always.

That realization became one of the reasons I decided to write this article.

What Happened After One Seminar

I presented a seminar on perimenopause, menopause, and the important role estrogen plays in a woman’s health. (This is replay of the seminar: https://www.youtube.com/live/E9qNS3eonk8?si=bYKgFzi_8uZw36B2)

After the presentation, I stayed online to answer questions.

The women who attended asked thoughtful questions.

How do I reduce hot flashes?

Why am I experiencing brain fog?

Why can’t I sleep?

Why does my memory seem different?

Should I consider hormone therapy?

Should I use progesterone?

Every question mattered.

Every woman deserved answers.

But as I reflected on those conversations later that evening, something caught my attention.

Almost every question focused on symptoms.

Very few questions focused on what was happening inside the body.

Then it hit me.

This wasn’t just how women think about menopause.

It’s how many of us think about health.

We wait until something doesn’t feel right.

Then we ask,

“What can I do to feel better?”

That’s a completely natural question.

But over the years I’ve come to believe there is another question that deserves just as much attention.

“What can I do to help my body function better?”

Those are not always the same question.

And understanding the difference may be one of the most important things we can do for our health.

Feeling Better Matters

Before we go any further, I want to make something very clear.

Feeling better matters.

If you’re living with chronic pain, I want your pain reduced.

If you’re struggling with anxiety or depression, I want you to receive the care and support you deserve.

If you’re experiencing menopausal symptoms that interfere with your quality of life, I want you to find relief.

If you’re exhausted every afternoon, I want you to regain your energy.

There is nothing wrong with wanting to feel better.

In fact, it’s human nature.

But here’s the question I hope you’ll think about as you continue reading.

Does feeling better always mean your body has become healthier?

Sometimes the answer is yes.

Sometimes the answer is no.

That difference changed the way I think about health.

Symptoms Tell a Story-But Not the Whole Story

Imagine you’re driving down the road, and the “check engine” light suddenly comes on.

The light is important.

It tells you something needs attention.

But it doesn’t tell you why.

You still have to look under the hood.

Our bodies work much the same way.

Symptoms get our attention.

Pain tells us something.

Fatigue tells us something.

Brain fog tells us something.

Weight gain tells us something.

Hot flashes tell us something.

Poor sleep tells us something.

But symptoms rarely tell us the entire story.

Many chronic conditions begin quietly, long before symptoms appear.

Researchers believe the biological changes associated with Alzheimer’s disease may begin twenty to thirty years before memory problems become noticeable. ¹

Insulin resistance often develops years before someone is diagnosed with type 2 diabetes. ²

High blood pressure is frequently called the “silent killer” because many people have no symptoms at all. ³

In other words, how we feel and what is happening inside our bodies are not always the same.

Symptoms matter.

But they are often the body’s way of saying,

“Something has been changing for a while.”

Why We Think This Way

I don’t believe people ignore their health.

I think most people are doing exactly what they’ve been taught to do.

Think about your annual physical.

Your blood pressure is measured.

Your cholesterol may be measured.

Your blood sugar may be measured.

Your body weight is measured.

Those measurements are valuable.

Naturally, they become part of the conversation.

We pay attention to what gets measured.

We ask questions about what we understand.

We work on improving the things we know about.

But here’s a question I rarely hear anyone ask.

How healthy are my cells?

Not my heart.

Not my liver.

Not my kidneys.

Not my brain.

The cells that make up every one of those organs.

Most people have never asked that question.

Not because they don’t care.

Not because they wouldn’t understand.

But because no one has ever taught them to think that way.

And that realization has stayed with me.

The Health Conversation Most People Never Hear

Over the years, I’ve spoken with physicians, nutrition professionals, registered dietitians, nurses, pharmacists, researchers, fitness professionals, and thousands of individuals who simply wanted to improve their health.

One thing has become very clear.

Most conversations begin after symptoms appear.

That’s understandable.

Symptoms are often what bring people into the healthcare system.

But there is another conversation that rarely happens.

It’s a conversation about the health of the cells themselves.

More specifically…

The health of the membrane that surrounds every one of those cells.

Before reading this article, there is a good chance you had never heard the phrase cell membrane fluidity.

If that’s true, you’re not alone.

That doesn’t mean the science is new.

Scientists have been studying cell membranes for decades. ⁴⁻⁶

The challenge is that this science has not always become part of everyday conversations about health.

As a result, many people spend years trying to improve their health without ever learning about one of the most important structures in the human body.

You cannot ask questions about something you’ve never been taught.

And you cannot intentionally improve something you don’t know exists.

The Status Quo Is Comfortable

One of the things I’ve learned over the years is that most people are not resistant to learning.

They’re simply comfortable with what they already know.

Think about how we make decisions every day.

If we’ve always done something one way, we usually continue doing it that way until someone introduces us to a better approach.

Health is no different.

Most of us assume that if something is important, someone would have already told us about it.

We trust our healthcare professionals.

We trust the science.

We trust the systems that have helped us throughout our lives.

And we should.

But science never stands still.

It continues to grow.

It continues to ask questions.

It continues to discover new ways of understanding the remarkable human body.

History gives us many examples.

There was a time when no one knew vitamins existed.

There was a time when cholesterol was rarely discussed.

There was a time when inflammation was not part of everyday conversations about health.

Today, those topics are widely recognized because science continued to evolve.

I believe cellular health—and more specifically, the health of the cell membrane—is another conversation whose time has come.

Not because it replaces everything else, we know.

But because it adds another important piece to the puzzle.

Awareness Always Comes Before Action

One of my favorite sayings is this:

You cannot improve what you don’t know exists.

Think about that for a moment.

If no one had ever explained blood pressure to you, would you know to have it checked?

Probably not.

If you had never heard of cholesterol, would you think about improving it?

Probably not.

The same is true for cellular health.

If you’ve never heard of the cell membrane…

If no one has explained why it matters…

If you’ve never been shown that its health can be measured…

Why would you ever ask about it?

You wouldn’t.

Not because you don’t care.

Not because you’re unwilling to learn.

Simply because awareness always comes before action.

That realization has changed the way I educate my clients.

Before I recommend anything, I first want them to understand why it matters.

Because when people understand why, they’re much more likely to make informed decisions.

A Different Way to Look at Health

Several years ago, I began asking myself a simple question.

What if we’ve been looking at health from the wrong direction?

Most conversations begin with disease.

Heart disease.

Diabetes.

Arthritis.

Dementia.

Obesity.

High blood pressure.

We identify the condition.

Then we ask how to treat it.

That approach is necessary and often lifesaving.

But I began wondering if there was another place to begin.

Instead of starting with disease…

What if we started with the cell?

After all, every organ in your body is made of cells.

Every tissue is made of cells.

Every gland is made of cells.

Every muscle is made of cells.

Every nerve is made of cells.

Every part of you begins with a cell.

That thought completely changed the way I looked at health.

Approximately 37 Trillion Reasons

Scientists estimate that the average human body contains approximately 37 trillion cells. ⁷

Take a moment to think about that number.

Thirty-seven trillion.

Every one of those cells has a purpose.

Some produce hormones.

Some carry oxygen.

Some produce energy.

Some help you think.

Some help your immune system recognize infection.

Some repair damaged tissue.

Some help your muscles move.

Others help your heartbeat over 100,000 times every single day.

Your body is constantly working because trillions of cells are constantly working.

That realization led me to another important question.

What do healthy cells need in order to function at their best?

That question became the foundation of my work.

The Foundation Beneath Everything Else

When we think about health, it’s easy to focus on individual organs.

We think about the heart.

The brain.

The liver.

The kidneys.

The pancreas.

The joints.

The eyes.

But every one of those organs shares something in common.

They are all made of cells.

If the health of an organ depends upon the health of its cells, then doesn’t it make sense to understand what helps those cells function properly?

To me, the answer is obvious.

Healthy organs begin with healthy cells.

That doesn’t mean every disease begins the same way.

It doesn’t mean every health challenge has the same solution.

Health is far too complex for that.

But it does mean there is a common foundation beneath every organ in the body.

That foundation is the cell.

The Question That Changed My Career

For many years, people came to me asking questions like these.

“What should I eat?”

“What supplement should I take?”

“How can I lose weight?”

“What should I avoid?”

Those are good questions.

I still answer them every day.

But over time, another question became even more important to me.

What condition are this person’s cells in?

That one question changed everything.

It changed the way I approached nutrition.

It changed the way I interpreted laboratory results.

It changed the conversations I had with clients.

And it changed the kinds of questions I asked.

Because before we can understand hormones…

Before we can understand inflammation…

Before we can understand insulin resistance…

Before we can understand healthy aging…

We first need to understand the remarkable cell.

The Journey Begins with One Cell

If you’ve stayed with me this far, you may notice that I occasionally repeat certain ideas throughout this article. That’s intentional. My goal isn’t simply to provide information—it’s to help you see health from a completely different perspective. I want these concepts to make sense, connect with one another, and become something you’ll remember long after you’ve finished reading.

Instead of starting with symptoms…

We’re starting with biology.

Instead of beginning with disease…

We’re beginning with the remarkable design of the human body.

Earlier in this article, I asked you to consider two questions.

Am I trying to feel better?

Or…

Am I helping my body become healthier?

Now I’d like to introduce you to one of the most remarkable structures in the human body.

A structure that surrounds every one of your approximately 37 trillion cells.

A structure that helps determine what enters the cell…

What leaves the cell…

How cells communicate…

How hormones interact with cells…

And how the body maintains life every second of every day.

It’s called the cell membrane.

Most people have never heard why it’s so important.

Let’s change that.

Everything Begins with a Cell

Earlier in this article, I asked you to consider a different way of thinking about health.

Instead of asking only,

“What can I do to feel better?”

I encouraged you to ask another question.

“What can I do to help my body function better?”

That simple question naturally leads to another one.

What allows the human body to function in the first place?

The answer is remarkably simple.

Healthy cells.

Before we talk about the brain, the heart, hormones, inflammation, insulin resistance, or healthy aging, we first have to understand one important fact.

Every organ in your body is made of cells.

Your brain is made of cells.

Your heart is made of cells.

Your liver is made of cells.

Your kidneys are made of cells.

Your muscles are made of cells.

Your skin is made of cells.

Your eyes are made of cells.

Your immune system is made of cells.

Scientists estimate that the average human body contains approximately 37 trillion cells. ¹

Each one has a specific purpose.

Some cells carry oxygen.

Some produce hormones.

Some help your immune system fight infection.

Some produce energy.

Some help you think.

Some repair damaged tissue.

Some help your muscles contract.

Some create the lining of your blood vessels.

Your body functions because trillions of cells are working together every second of every day.

That simple truth changed the way I began thinking about health many years ago.

Instead of asking,

“How do we improve this organ?”

I began asking,

“What does this organ need at the cellular level to function at its best?”

That one question changed the direction of my career.

A Healthy Cell Is Like a Small City

One of the easiest ways to understand a cell is to imagine a busy city.

Every city has roads.

Power plants.

Communication systems.

Security.

Recycling centers.

Workers with different responsibilities.

A healthy cell functions much the same way.

Inside every cell are tiny structures called organelles.

Think of organelles as the specialized departments inside a city.

Each has an important job.

Each depends on the others.

When they work together, the entire cell functions efficiently.

When one system struggles, the entire cell can be affected.

That is one reason healthy cells are so important.

The Cell’s Power Plant

Perhaps the best-known organelle is the mitochondrion (plural: mitochondria).

Mitochondria are often called the powerhouses of the cell, and for good reason.

Their primary job is to produce the energy every cell needs to survive.

Without energy, nothing inside the cell can function properly.

The energy produced by mitochondria is called adenosine triphosphate, commonly known as ATP. ²

Think of ATP as the body’s energy currency.

Every heartbeat requires ATP.

Every breath requires ATP.

Every muscle contraction requires ATP.

Every nerve signal requires ATP.

Every thought requires ATP.

Whether you’re running a marathon or reading this article, your cells are constantly producing and using ATP.

Without it, life would not be possible.

The Body’s Master Antioxidant

Another remarkable substance found primarily inside cells is glutathione.

Glutathione is often referred to as the body’s master antioxidant because it helps protect cells from damage caused by unstable molecules known as free radicals. ³

Every day your cells produce energy.

During that process, free radicals are naturally formed.

Free radicals are also produced through normal metabolism and may increase because of pollution, cigarette smoke, excessive ultraviolet light exposure, infections, and other environmental factors.

Your body has an incredible defense system.

One of its most important defenders is glutathione.

Glutathione helps protect proteins, fats, and even genetic material inside the cell from oxidative damage.

Scientists continue to study glutathione because of its important role in maintaining normal cellular function.

Like ATP, glutathione reminds us that some of the body’s most important work happens inside the cell—far away from where we can see it.

Everything Inside the Cell Depends on Something Else

At this point, you might be thinking,

“This is amazing. The cell already does all of this?”

The answer is yes.

But here’s something even more remarkable.

None of these systems work in isolation.

Mitochondria need oxygen.

They need nutrients.

Glutathione must be made from amino acids and maintained within the cell.

Hormones need to communicate with cells.

Waste products need to leave the cell.

New nutrients must continually enter the cell.

Every second of every day, there is constant movement into and out of every one of your approximately 37 trillion cells.

That raises another important question.

How does all of that happen?

How does oxygen get inside?

How do nutrients enter?

How do waste products leave?

How do hormones communicate with cells?

How does one cell communicate with another?

The answer brings us to one of the most remarkable structures in the human body.

The cell membrane.

The Cell Membrane

Many people think of the cell membrane as nothing more than a thin covering around the cell.

It certainly provides protection.

But that’s only a small part of what it does.

The cell membrane is the gateway between the inside of the cell and everything outside the cell.

It helps determine what enters.

It helps determine what leaves.

It allows cells to communicate with one another.

It allows the body to respond to hormones.

It creates the environment in which everything inside the cell must function.

The more I learned about the cell membrane, the more I realized something.

This wasn’t simply another part of the cell.

It was one of the most important structures in the entire human body.

And yet, very few people had ever heard anyone explain why.

That realization led me to spend years learning more about cell membrane biology.

It also changed the kinds of questions I began asking my clients.

Because before we can understand how to support healthy cells…

We first need to understand the remarkable structure that surrounds every one of them.

That’s where we’ll go next.

The Gateway to Cellular Health

Earlier in this article, I introduced you to one of the most remarkable structures in the human body—the cell membrane.

Although it is incredibly thin, the cell membrane performs one of the most important jobs in your body.It surrounds every one of your approximately 37 trillion cells.

Think about that for a moment.

Every brain cell.

Every heart cell.

Every liver cell.

Every muscle cell.

Every immune cell.

Every cell has a membrane.

That also means—as I’ve intentionally reinforced throughout this article—that your body contains approximately 37 trillion cell membranes, all working together every second of every day.

Most people have never thought about that before.

Neither had I early in my career.

The more I learned about cell biology, the more I realized that if healthy cells are the foundation of good health, then understanding the structure that surrounds every cell should matter.

It matters a great deal.

More Than a Wall Around the Cell

When many people picture a cell membrane, they imagine a simple wall that keeps everything inside.

That picture is incomplete.

A healthy cell membrane is not like a brick wall.

It’s more like the security system at a modern airport.

Some things are allowed through.

Others are stopped.

Some require special transport.

Others are carefully inspected before entering.

The membrane is constantly making decisions.

What should enter the cell?

What should stay out?

What should leave the cell?

How should this cell communicate with another cell?

Those decisions are taking place every second of every day.

Without the cell membrane, life as we know it would not exist.

What Is the Cell Membrane Made Of?

Now let’s answer a question that very few people have ever been asked.

What is the cell membrane made of?

The answer surprises many people.

Most of the membrane is built from a double layer of specialized fat molecules called phospholipids. ¹

The word “phospholipid” sounds complicated, but the idea is actually quite simple.

Imagine a tiny matchstick.

The top of the match likes water.

The wooden stick does not.

A phospholipid behaves in a similar way.

One end is attracted to water.

The other end repels water.

Because our cells are surrounded by water inside and outside, phospholipids naturally arrange themselves into two layers called a phospholipid bilayer.

This remarkable design creates the basic structure of every cell membrane in your body.

Nature figured this out long before scientists did.

The Cell Membrane Is Alive with Activity

The membrane is not a sheet of plastic wrapped around the cell.

It is alive with activity.

Embedded throughout the membrane are thousands of specialized proteins.

Some act like doors.

Some work like revolving doors that let certain substances enter.

Others act like pumps.

Some become communication centers.

Others serve as receptors that receive messages from hormones and neighboring cells.

Imagine a busy international airport.

Planes are constantly arriving.

Others are departing.

Security officers are checking passengers.

Baggage is moving.

Communication systems are active.

Maintenance crews are working.

That’s a much better picture of what happens at the cell membrane.

It is constantly moving.

Constantly communicating.

Constantly adapting.

Every second of every day.

Why Flexibility Matters

Now we come to one of the most important ideas in this entire article.

Scientists use the term cell membrane fluidity to describe how flexible the membrane is. ²

Don’t let the scientific language intimidate you.

Fluidity simply means flexibility.

A healthy membrane is not hard.

It is not brittle.

It is not stiff.

Instead, it bends.

It moves.

It adapts.

It allows the cell to respond to the constantly changing environment around it.

Think about a fresh garden hose.

It bends easily.

Water flows through it without difficulty.

Now imagine leaving that hose outside in the hot sun for many years.

It becomes dry.

Rigid.

Cracked.

It no longer functions the same way.

The same principle applies to cell membranes.

Scientists have known for decades that the physical properties of the membrane influence how well it performs many of its normal functions. ³

Healthy Cell Membranes Are Selectively Permeable

One of the most remarkable characteristics of the cell membrane is that it is selectively permeable.

That simply means it carefully controls what enters and what leaves the cell.

Think of a high-security building.

Employees with the proper identification enter easily.

Visitors must check in.

Unauthorized people are turned away.

The cell membrane works in much the same way.

It doesn’t simply allow everything to pass through.

It carefully regulates movement.

This is one of the reasons the membrane is so important.

Every nutrient that enters the cell must cross the membrane.

Every waste product that leaves the cell must cross the membrane.

Many important messages that travel from one cell to another begin by interacting with the membrane.

The membrane is much more than a protective covering.

It is the gatekeeper of the cell.

A Healthy Cell Depends on a Healthy Membrane

Earlier in this article, we talked about the mitochondria producing energy.

We talked about glutathione protecting the cell.

Now think about those remarkable structures for a moment.

Neither one exists outside the cell.

Both depend on the environment inside the cell.

That environment is protected and regulated by the cell membrane.

If the membrane cannot effectively regulate what enters and leaves the cell, every structure inside the cell must work under less favorable conditions.

That doesn’t mean the membrane alone determines health.

Far from it.

Health depends on genetics, nutrition, sleep, physical activity, stress management, medical care, environmental exposures, and many other factors.

But it does mean the cell membrane provides one of the most important foundations upon which healthy cellular function depends.

This Is Where Nutrition Enters the Story

At this point, you might be wondering…

“If the cell membrane is made primarily from fat molecules, does the type of fat matter?”

That’s an excellent question.

The answer is yes.

And that answer opened an entirely new chapter in my understanding of nutrition.

The more I studied the cell membrane, the more I realized that its structure is influenced by the types of fats that become incorporated into it.

That realization eventually led me to study omega-3 fatty acids, the Omega-3 Index, and why measuring the fatty acid composition of the cell membrane may provide valuable information about cellular health.

We’ll explore that next.

How the Cell Membrane Supports Life

Now that you understand what the cell membrane is and why it is so remarkable, let’s explore what it does.

This is where I believe many people begin seeing health in a completely different way.

The cell membrane is not simply a protective covering.

It is the gateway through which much of life at the cellular level depends.

Every second of every day, nutrients are entering cells.

Oxygen is entering cells.

Waste products are leaving cells.

Cells are sending messages to one another.

Hormones are communicating with cells.

Energy is being produced.

Repairs are taking place.

All of these activities depend, in part, on a healthy cell membrane doing its job.

The more I learned about this remarkable structure, the more I realized something.

The health of the cell membrane influences far more than most people realize.

 

Nutrients Must Enter the Cell

Think about the healthy foods you eat.

Vegetables.

Fruit.

Fish.

Lean protein.

Healthy fats.

Whole grains.

All of those foods provide nutrients your body needs.

But eating nutritious food is only the beginning.

Those nutrients must first be digested.

Then absorbed into your bloodstream.

Then transported throughout your body.

Eventually, many of those nutrients must cross the cell membrane before they can be used by the cell.

Only then can they help produce energy, repair tissues, build proteins, support normal metabolism, and perform countless other functions.

The same principle applies to vitamins and minerals.

They must reach the cell.

Then they must enter the cell.

Simply eating healthy food is important.

Helping your cells receive those nutrients is equally important.

Oxygen Must Also Reach the Cell

The same is true for oxygen.

Every breath you take delivers oxygen to your lungs.

Your red blood cells carry that oxygen throughout your body.

Eventually, oxygen must move from the bloodstream into tissues and ultimately into cells, where the mitochondria use it to produce adenosine triphosphate (ATP), the body’s primary source of cellular energy. ¹

Without oxygen, cells cannot efficiently produce the energy needed to sustain life.

Again, the cell membrane plays an important role in regulating the environment in which these processes occur.

Waste Must Leave the Cell

Just as nutrients and oxygen enter the cell, waste products must also leave.

Cells are constantly producing waste as part of normal metabolism.

If waste accumulated inside the cell indefinitely, the cell could no longer function properly.

The cell membrane helps regulate this continuous exchange.

Think of it as the sanitation department for a busy city.

Deliveries are constantly arriving.

Garbage trucks are constantly leaving.

Both are necessary.

Healthy cells depend upon that continuous movement.

Cells Constantly Communicate

One of the most fascinating discoveries in modern biology is that cells are constantly communicating with one another.

Your body is not simply a collection of isolated cells.

It is an incredibly organized communication network.

Cells send chemical signals.

They receive signals.

They respond to signals.

This communication allows the body to coordinate everything from healing a wound to responding to exercise or fighting an infection.

Without communication, the body could not function as an integrated system.

Once again, the cell membrane plays an essential role because many of these signals begin at receptors located within the membrane itself.

Hormones Depend on Cellular Communication

Hormones provide one of the best examples of cellular communication.

Hormones act as chemical messengers.

They help coordinate countless functions throughout the body.

Some hormones are produced in specialized glands, while others are produced within different tissues throughout the body.

For example, estrogen is produced primarily by the ovaries before menopause. After menopause, smaller amounts continue to be produced in other tissues, including fat tissue, through an enzyme called aromatase. ²

Regardless of where estrogen is produced, it must leave the cells in which it is made before it can travel through the bloodstream and communicate with other cells throughout the body.

Those target cells contain receptors that recognize estrogen and respond to its signals.

This communication influences many normal biological processes, including reproductive health, bone health, cardiovascular function, and brain function.

The health of the cell membrane helps support this remarkable communication system.

Insulin Also Communicates Through the Cell Membrane

Another excellent example is insulin.

Earlier in my career, I noticed that many people thought of insulin only as a blood sugar hormone.

While insulin certainly helps regulate blood sugar, it also serves as a powerful communication molecule.

Insulin does not enter most cells to deliver its message.

Instead, it binds to specialized insulin receptors located within the cell membrane. ³

That interaction triggers a series of events inside the cell that help regulate glucose uptake, energy metabolism, and many other important biological functions.

When you begin looking at health from the cellular level, you realize just how much depends upon healthy communication between cells.

The Types of Fat in the Cell Membrane Matter

Earlier, we learned that the cell membrane is built primarily from phospholipids.

The types of fatty acids incorporated into those phospholipids influence the physical properties of the membrane.

Two fatty acids that have received considerable scientific attention are eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).

Both belong to the omega-3 family of fatty acids.

EPA and DHA become incorporated into the phospholipids that make up cell membranes throughout the body. ⁴

Researchers have shown that the fatty acid composition of the membrane influences important membrane properties, including membrane fluidity.

This is one reason scientists developed the Omega-3 Index.

The Omega-3 Index

The Omega-3 Index measures the percentage of EPA and DHA present within the membranes of red blood cells. ⁵

Why red blood cells?

Because they circulate throughout the body for approximately 120 days and provide a practical way to evaluate long-term omega-3 status.

The Omega-3 Index does not diagnose disease.

It does not measure every aspect of cellular health.

But it does provide valuable information about one important component of the cell membrane.

In my practice, I have found this information extremely valuable because it replaces guessing with objective measurement.

Instead of wondering…

We can measure.

Instead of assuming…

We can know.

One Test Changed the Questions I Asked

The first time I began reviewing Omega-3 Index results alongside other markers of cellular health, I realized something.

I had been asking incomplete questions.

Instead of asking only,

“How much do you weigh?”

“How is your blood pressure?”

“How are you sleeping?”

I began asking another question.

“What do your cells look like?”

Not literally under a microscope.

But biologically.

What is the fatty acid composition of your cell membranes?

How much EPA and DHA have been incorporated?

What does your Omega-3 Index tell us?

What other cellular biomarkers can help us better understand the biological environment in which your cells are functioning?

Those questions changed the way I practiced nutrition.

They also changed the kinds of conversations I had with my clients.

Science Became Personal

Everything we’ve discussed so far has been based on biology.

Cells.

Cell membranes.

Hormones.

Energy.

Communication.

Measurements.

But over time, something happened.

The science became personal.

First with my own family.

Then with my clients.

Those experiences reinforced why I believe cellular health deserves a much larger place in the way we think about health.

I’d like to share several of those stories with you next.

When Science Became Personal

Earlier in this article, we explored why healthy cells are the foundation of every organ in the body. We also looked at the remarkable role the cell membrane plays in helping nutrients enter the cell, waste products leave the cell, and cells communicate with one another.

Understanding the science is important.

But for me, the science became much more meaningful when it became personal.

After working with thousands of people who wanted to improve their health, you begin to notice certain patterns. Some wanted too lose weight. Others wanted more energy. Some hoped to improve their blood pressure or blood sugar, while others were focused on healthy aging, memory, or reducing inflammation.

At first glance, their goals seemed very different.

But over time, I noticed something interesting.

No matter what health challenge someone was facing, I found myself asking the same question.

“What is happening at the cellular level?”

That question changed the way I practiced nutrition.

It also changed the way I looked at health.

The stories you’re about to read are not scientific research studies. They do not prove cause and effect, nor should they replace medical advice or the findings of carefully controlled clinical trials.

Instead, they are clinical observations that encouraged me to ask better questions, continue studying the science, and measure biology instead of making assumptions.

Each story is different.

Yet every one of them brought me back to the same place.

Healthy cells.

Clinical Observation #1

My Daughter, Felicity

One of the most meaningful experiences in my career didn’t happen in my office.

It happened at home.

When my daughter, Felicity, began having menstrual cycles, she experienced significant menstrual cramps and discomfort. Like any father, I wanted to help her.

At the time, I had already spent years studying nutrition, fatty acids, and cellular health. Because of that interest, we decided to measure her Omega-3 Index, which reflects the percentage of the omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) incorporated into the membranes of red blood cells. ¹

Her Omega-3 Index measured 3.0 percent.

That result indicated a relatively low level of EPA and DHA within her red blood cell membranes.

Over the following months, the primary change we made was improving her omega-3 status through nutrition.

When we repeated her testing, her Omega-3 Index had increased to 8.9 percent.

During that same period, something else changed.

Her severe menstrual cramps and discomfort were no longer a major part of her life.

As a father, I was incredibly grateful.

As a clinical nutritionist, the experience affected me in another way.

Until then, I had understood the science of cell membrane fluidity.

I understood phospholipids.

I understood omega-3 fatty acids.

I understood how they become incorporated into cell membranes.

But watching this unfold in someone I loved brought the science to life in a way I had never experienced before.

It reminded me that healthy cells are not simply an interesting scientific concept.

They influence real people living real lives.

Can I say that improving her Omega-3 Index alone caused those changes?

No.

Menstrual health is influenced by many factors, including genetics, hormones, nutrition, stress, sleep, physical activity, and overall health.

That would be far too simplistic.

But this experience reinforced something I had already begun believing.

When we improve the biological environment in which cells function, the body often has a greater opportunity to function as it was designed.

That realization became one of the turning points in my career.

What I Learned

Sometimes science becomes personal.

When it does, it has the power to change not only what we know, but also the questions we ask.

For me, Felicity’s experience reinforced the importance of looking beyond symptoms and paying closer attention to the health of the cells themselves.

Clinical Observation #2

My Mother

Another experience that deeply influenced my thinking involved my mother.

She is one of the strongest women I know.

She is a three-time breast cancer survivor.

Years ago, she also underwent the placement of three coronary stents to improve blood flow to her heart.

Like many people who are trying to improve their health, my mother believed she was doing the right things.

One of those things was taking an omega-3 supplement every day.

She had been faithfully taking OmegaXL®, believing it was supporting her health.

Rather than assuming it was working, I encouraged her to measure her cellular health.

Her Omega-3 Index measured 3.1 percent.

Despite taking an omega-3 supplement consistently, her Omega-3 Index remained well below the range that many researchers associate with higher omega-3 status. ¹

Instead of guessing, we changed our approach.

She began using BalanceOil+, and after several months we repeated her testing.

Her Omega-3 Index increased to 8.7 percent.

More importantly, the fatty acid composition of her cell membranes changed dramatically.

For me, this observation had very little to do with comparing one product to another.

The lesson was much bigger.

It reminded me that we should never assume a supplement is producing the biological change we hope it is producing.

Whenever possible…

Measure.

That simple philosophy has guided much of my work ever since.

As a nutrition professional, I believe measurements help us move beyond marketing claims and personal opinions.

They allow us to look at biology.

What I Learned

Good intentions matter.

Taking action matters.

But when objective measurements are available, they provide an opportunity to understand whether our efforts are producing meaningful biological change.

That experience reinforced another lesson that has stayed with me throughout my career.

Never guess when you can measure.

A Pattern Was Beginning to Emerge

At first, I thought these experiences might simply be isolated observations.

One involved my daughter.

The other involved my mother.

Different generations.

Different health histories.

Different goals.

Yet both reminded me of something I couldn’t ignore.

The conversation kept coming back to the same place.

The health of the cell.

The health of the cell membrane.

And the importance of measuring biology instead of making assumptions.

As the years passed, similar observations continued appearing in my nutrition practice.

Clients came to me for completely different reasons.

Weight loss.

High blood pressure.

Insulin resistance.

Dry eyes.

Menopausal symptoms.

At first, those challenges seemed unrelated.

But once we began measuring cellular health, I noticed patterns that encouraged me to continue asking questions and studying the science.

Some of those observations surprised even me.

I’ll share those next.

Clinical Observation #3

Sandy

One of the clients who made a lasting impression on me was Sandy.

When we first met, Sandy had been taking medication for high blood pressure for thirty-seven years. She had also been told she had insulin resistance, a condition in which the body’s cells do not respond normally to insulin.

Like many people, Sandy wanted to improve her health. She wasn’t looking for a miracle. She simply wanted to know if there was a better path forward.

One of the first things we measured was her cellular health.

Her Omega-3 Index measured 4.0 percent.

Her fatty acid fluidity ratio, a marker that reflects the balance of fatty acids within the cell membrane, measured 9.8 to 1.

These results suggested there was considerable room for improvement in the fatty acid composition of her cell membranes.

Together, we focused on improving her nutrition and supporting healthier cellular function. Over time, we repeated her testing.

Her Omega-3 Index increased to 10.3 percent.

Her fatty acid fluidity ratio improved from 9.8 to 1 to 3.8 to 1.

Something else changed.

Working closely with her healthcare provider, Sandy eventually discontinued the blood pressure medication she had taken for nearly four decades.

Her follow-up evaluations also showed that she no longer met the criteria for insulin resistance.

Can I conclude that improving her cell membrane composition alone caused those changes?

No.

That would ignore the complexity of human biology.

Blood pressure and insulin sensitivity are influenced by many factors, including nutrition, physical activity, body weight, genetics, medications, stress, sleep, and overall health.

However, Sandy’s experience reinforced something I had been observing for years.

Healthy cells create a healthier biological environment in which the body can function.

That lesson has stayed with me ever since.

What I Learned

Treating symptoms is important.

Creating a healthier biological foundation may be just as important.

Clinical Observation #4

Lynn

Lynn came to me feeling frustrated.

She was 53 years old, weighed approximately 160 pounds, exercised regularly, and ate what most people would describe as a healthy diet.

Despite doing many of the “right” things, her weight had stopped changing.

She wondered if it was simply because she was getting older.

She wondered if it was because she was entering perimenopause.

She wondered if there was anything else she could do.

Instead of immediately changing her diet, we decided to learn more about her biology.

Her Omega-3 Index measured 3.1 percent.

Over the following months, we focused on improving her nutritional status and supporting healthier cell membrane composition.

When we repeated her testing, her Omega-3 Index had increased to 9.0 percent.

During that same period, her weight gradually decreased from approximately 160 pounds to 137 pounds.

Then something unexpected happened.

Lynn shared that although she had gone approximately eight months without a menstrual cycle and believed she was transitioning into menopause, her menstrual cycle returned.

She also reported that the menopausal symptoms she had been experiencing had disappeared.

Can I say that improving her Omega-3 Index alone caused those changes?

No.

Weight regulation and hormonal health are influenced by many biological and lifestyle factors.

But Lynn’s experience reminded me that the human body is remarkably interconnected.

Sometimes when we improve the body’s foundation, improvements occur in places we never expected.

What I Learned

The body doesn’t function as isolated organs.

It functions as one connected system.

Healthy cells support that system.

Clinical Observation #5

When One Story Became Thirty-Four

One observation became impossible for me to ignore.

Over the years, thirty-four different clients independently shared that their chronic dry eye symptoms improved after improving their measured omega-3 status and cellular health.

Different ages.

Different occupations.

Different lifestyles.

Different medical histories.

Different reasons for seeking help.

Yet many described remarkably similar experiences.

Initially, I thought these stories might simply be coincidence.

Then another person shared the same observation.

Then another.

Eventually, I realized this pattern deserved my attention.

These experiences encouraged me to explore the growing body of scientific literature examining omega-3 fatty acids and ocular surface health. Researchers have reported that omega-3 fatty acids may support tear film stability and help some individuals with dry eye symptoms, although research continues in this area. ²

Again, these observations do not prove cause and effect.

But they do remind us of something important.

Repeated observations often become the beginning of better questions.

And better questions often lead to better research.

What I Learned

Science often begins with curiosity.

When similar observations occur repeatedly, they deserve thoughtful investigation rather than immediate dismissal.

The Common Thread

At first glance, these stories seem completely unrelated.

A young woman experiencing severe menstrual discomfort.

A mother who believed she was doing everything possible to support her health.

A woman living with high blood pressure and insulin resistance.

A client frustrated by stalled weight loss.

Dozens of people struggling with chronic dry eyes.

Different people.

Different symptoms.

Different goals.

Yet every story brought me back to the same place.

Healthy cells.

More specifically…

Healthy cell membranes.

That realization changed the way I think about nutrition.

It changed the way I interpret laboratory results.

It changed the questions I ask.

Today, I no longer begin by asking only,

“What symptom are we trying to improve?”

I also ask,

“What is happening at the cellular level?”

That question has shaped my work for more than three decades.

The Most Important Lesson I’ve Learned

After more than thirty years of helping people improve their health, I don’t believe the biggest problem is that people don’t care.

I believe the biggest problem is that most people have never been taught to think about health from the cellular level.

Most people have never heard the term cell membrane fluidity.

Most people don’t know that the fatty acid composition of their cell membranes can be measured.

Most people don’t realize that every heartbeat…

Every thought…

Every hormone…

Every muscle contraction…

Every immune response…

depends on healthy cells functioning as they were designed.

You cannot intentionally improve something you don’t know exists.

That is one of the reasons I wrote this article.

Not to convince you that one nutrient is the answer.

Not to convince you that one supplement is the answer.

Not to convince you that one laboratory test is the answer.

Health is far more complex than that.

I wrote this article because I believe healthy cells deserve a much larger place in the conversation about health.

When we begin asking better questions…

We often begin making better decisions.

And sometimes…

Better decisions create healthier lives.

The next question becomes…

If cellular health is so important…, how do we measure it?

From Guessing to Knowing

If there’s one lesson I’ve learned after more than thirty years of helping people improve their health, it’s this:

The best health decisions begin with good information.

Throughout this article, I’ve encouraged you to think differently about health.

Not because I believe symptoms don’t matter.

They absolutely do.

Symptoms are often what motivate us to seek help.

But symptoms tell only part of the story.

Many of the biological changes that influence our health begin long before we notice them.

That’s why I believe it’s important to ask two questions.

How do I feel?

And…

What is happening inside my body?

Those two questions work together.

One helps us understand our symptoms.

The other helps us better understand our biology.

Become an Informed Patient

One of my greatest hopes is that this article encourages you to become an informed partner in your own healthcare.

Ask questions.

Read the science.

Have meaningful conversations with your physician and other healthcare professionals.

Don’t be afraid to learn something new.

Science continues to evolve.

So should we.

Over the years, we’ve learned more about cholesterol.

We’ve learned more about inflammation.

We’ve learned more about the gut microbiome.

We’ve learned more about insulin resistance.

Today, we’re learning more about cellular health.

Every new discovery gives us another opportunity to better understand the remarkable body we’ve been given.

Measure Whenever You Can

One philosophy has guided my work for more than three decades.

Whenever possible…

Replace assumptions with measurements.

If you’re concerned about your blood pressure…

Measure it.

If you’re concerned about your blood sugar…

Measure it.

If you’re concerned about your cholesterol…

Measure it.

If you’re concerned about your vitamin D status…

Measure it.

The same principle applies to cellular health.

Today, we have the opportunity to measure aspects of cellular health that many people never knew could be measured.

To me, that’s exciting.

Not because measurements solve every problem.

But because they help us make more informed decisions.

Knowledge doesn’t guarantee better health.

But it often leads to better choices.

Introducing the Advanced Cellular Health Profile

If this article has sparked your curiosity, I’d like to invite you to learn more about the Advanced Cellular Health Profile.

This advanced at-home blood test provides valuable information about your cellular health by analyzing the fatty acids that make up your cell membranes and measuring important biomarkers that help us better understand how your cells are functioning.

The profile measures 11 different fatty acids that become incorporated into your cell membranes. From those measurements, it provides several important biomarkers, including your Omega-3 Index, your Omega-6 to Omega-3 Ratio, and your Fatty Acid Fluidity Ratio, along with other measurements that provide valuable insight into the health of your cell membranes and your overall fatty acid balance.

The process is simple.

You complete a finger-stick blood collection in the privacy of your home.

Your sample is mailed to a specialized laboratory for analysis.

Once your results are available, you’ll receive a personalized review to help you better understand what your results mean and how they may relate to your personal health goals.

The purpose of the Advanced Cellular Health Profile is not to diagnose disease.

Its purpose is to provide objective information that helps you better understand your cellular health and empowers you to make more informed decisions about your nutrition and overall wellness.

Instead of guessing…

You begin with knowledge.

An Invitation to Learn More

If someone shared this article with you, I encourage you to contact that person to learn more about the Advanced Cellular Health Profile.

If you’re reading this article because it was shared by me, or if you’d simply like to learn more, I’d be honored to help.

Whether your goal is to support healthy aging…

Better understand your nutritional status…

Improve your overall health…

Or simply learn more about your remarkable body…

The first step is understanding where you are today.

Because it’s difficult to create the best roadmap if you don’t know your starting point.

To learn more:

Contact the person who shared this article with you.

Or contact me directly.

Robert Ferguson | 📧 Email: robert@dietfreelife.com | 🌐 Website: https://dietfreelife.com/

Whether or not you decide to move forward with testing, my hope is that you’ll continue learning, asking questions, and becoming an active participant in your own health journey. If you are ready, CLICK HERE to get your BalanceTest and BalanceOil+ (I recommend orange lemon mint flavor)

One Final Thought

When I began writing this article, I asked a simple question.

Are you trying to feel better…or are you trying to become healthier?

My hope is that, after reading these pages, you realize those goals don’t have to compete with one another.

In fact, the best health strategies strive to accomplish both.

Helping people feel better matters.

Helping the body function better matters.

Symptoms deserve attention.

Biology deserves attention, too.

After more than thirty years of working with people from all walks of life, I’ve come to appreciate one simple truth.

Every heartbeat depends on healthy cells.

Every thought depends on healthy cells.

Every hormone depends on healthy cells.

Every muscle contraction depends on healthy cells.

Every organ depends on healthy cells.

Healthy cells don’t guarantee perfect health.

But they provide the biological foundation upon which every organ and every system in the body depends.

That’s why I no longer begin by asking only, “How do we help someone feel better?”

I also ask, “How do we help their cells function at their best?”

My hope is that, after reading this article, you’ll begin asking that question too.

Because feeling better is important.

Becoming healthier is the goal.

And in my experience…

Everything Begins with Healthy Cells.

References

1. 1. Alberts, B., Johnson, A., Lewis, J., et al. (2022). Molecular Biology of the Cell (7th ed.). W. W. Norton & Company.
   2. Bianconi, E., Piovesan, A., Facchin, F., et al. (2013). An estimation of the number of cells in the human body. Annals of Human Biology, 40(6), 463-471.
   3. Calder, P. C. (2020). Omega-3 fatty acids and inflammatory processes: From molecules to man. Biochemical Society Transactions, 48(1), 1-15.
   4. Harris, W. S., & von Schacky, C. (2004). The Omega-3 Index: A new risk factor for death from coronary heart disease? Preventive Medicine, 39(1), 212-220.
   5. Jack, C. R., Jr., Bennett, D. A., Blennow, K., et al. (2018). NIA-AA Research Framework: Toward a biological definition of Alzheimer’s disease. Alzheimer’s & Dementia, 14(4), 535-562.
   6. Stillwell, W. (2016). An Introduction to Biological Membranes: Composition, Structure and Function (2nd ed.). Elsevier.
   7. Yeagle, P. L. (2016). The Structure of Biological Membranes (5th ed.). CRC Press.

__________
Robert Ferguson is a California- and Florida-based single father of two daughters, clinical nutritionist, Omega Balancing Coach™, researcher, best-selling author, speaker, podcast and television host, health advisor, NAACP Image Award Nominee, creator of the Diet Free Life methodology, and Chief Nutrition Officer for iCoura Health. He also serves on the Presidential Task Force on Obesity for the National Medical Association and the Health and Product Advisory Board for Zinzino, Inc.

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