Mark Hyman, MD

Mark Hyman, MD Dr. Hyman is a 15x New York Times bestselling author, family physician and international leader in the field of Functional Medicine.

Here's what most dermatologists won't tell you: acne, eczema, psoriasis, and rosacea almost always share one root cause ...
05/27/2026

Here's what most dermatologists won't tell you: acne, eczema, psoriasis, and rosacea almost always share one root cause — a leaky gut. When the gut lining is damaged, toxins and undigested food particles leak into the bloodstream.

Your immune system fires up. That inflammation shows up on your skin.

The foods driving most of it? Dairy spikes IGF-1 and clogs pores. Refined sugar raises insulin, which raises androgens, which trigger breakouts. Ultra-processed foods feed the bad bacteria that damage your gut lining. And psoriasis patients are 2.4 times more likely to have elevated gluten antibodies.

The nutrients your skin needs most — omega-3s, zinc, vitamin D, vitamin A, vitamin C — come from food. Wild salmon, leafy greens, berries, fermented foods, colorful vegetables. That's your skincare routine.

Start with a 3 to 4 week elimination of dairy, gluten, sugar, and processed foods. Eat to rebuild your gut. The side effect is clearer, healthier skin at any age.

Save this and share it with someone who has been treating their skin from the outside.

One may think aches, fatigue, brain fog, and weight gain are just inevitable signs of aging. They're not. They're signs ...
05/26/2026

One may think aches, fatigue, brain fog, and weight gain are just inevitable signs of aging. They're not.

They're signs that one or more of these seven systems are out of balance.
In Functional Medicine, we believe aging is in the hands of the ager. Your genes load the gun, but your environment pulls the trigger. That means your daily behaviors control your health more than anything else.

The 7 Keys to Aging Backwards are the systems that matter most: inflammation, hormones, mitochondria, gut health, detoxification, movement, and spirit.

When these systems are out of balance, your body breaks down. When you rebalance them, your body heals itself. And it doesn't take years. You can begin to feel the difference in a matter of weeks.

The best part is you don't need a complete overhaul to start. One small change per key adds up faster than you think.

Swipe through for all 7 keys and one simple action you can take for each one today.

Which key are you focusing on first?

This proverb is as simple as it gets: eat wrong, and no drug can fix you. Eat right, and you won't need one at all.Think...
05/25/2026

This proverb is as simple as it gets: eat wrong, and no drug can fix you. Eat right, and you won't need one at all.

Think about it this way. Your body is like a car. You can take it to the mechanic every week — but if you keep putting the wrong fuel in the tank, it's going to keep breaking down. The mechanic isn't the problem. The fuel is.

Food is information. Every single bite you take is sending instructions to your body — telling it to repair or break down, to fight inflammation or feed it, to age slowly or fast.

The Sardinian shepherds I studied while writing Young Forever weren't taking a handful of supplements or managing a list of prescriptions. They were eating wild, seasonal, phytochemical-rich food their whole lives. Their bodies simply had what they needed to keep running.

Most of us have it backwards. We wait until something breaks, then look for a pill to fix it. But medicine was always meant to be the last resort — not the plan.

Food is the plan.

Play, joy, and love are biological necessities, and the science is unambiguous. 🧬Laughter lowers cortisol and epinephrin...
05/24/2026

Play, joy, and love are biological necessities, and the science is unambiguous. 🧬

Laughter lowers cortisol and epinephrine, crying releases built-up nervous system tension, hugging shifts you out of fight-or-flight and into calm, singing stimulates the vagus nerve (which governs your heart rate, digestion, and immune response) and dancing actually promotes the growth of new brain cells.

These aren’t fringe concepts, this is your physiology responding to joy in real time.

We’ve built entire industries around optimizing food, sleep, and exercise, and those things matter deeply, but joy, play, and love belong in that same conversation.

Think of them as part of your health stack — non-negotiable, not optional, and available to you right now.

Joy IS health.

Play, joy, and love are biological necessities. 🧬The emerging science of epigenetics shows that your environment, your e...
05/24/2026

Play, joy, and love are biological necessities. 🧬

The emerging science of epigenetics shows that your environment, your emotions, and your relationships can switch genes on and off, regulating everything from inflammation to immune function to how fast you age.

Your nervous system was designed for love and belonging, and when you deprive it of that, everything downstream suffers — your hormones, your immunity, your brain, your longevity.

Think of joy, connection, and play as part of your health stack; just as essential as what you eat, how you move, and how you sleep.

So laugh more, love deeply, and stop treating joy like something you have to earn after all the “real” health stuff is done.

It IS the real health stuff.

In Europe the food is different. The flavors are richer, the vegetables taste better. Fresh from the garden. They use di...
05/23/2026

In Europe the food is different.

The flavors are richer, the vegetables taste better. Fresh from the garden. They use different seeds, less chemicals. The meat is pasture finished. Even the wheat is a different strain. Less gluten. No glyphosate. Meals are enjoyed in community over many hours.

Things we can learn from…

This lunch.. turkey, walnut and pine nut salad, figs and tomatoes straight from the garden, grape leaves and leeks with fresh goat milk yogurt… was made by a mother who runs a Michelin Green Star kitchen on the shores of Lake Bafa in Turkey.

She gathers herbs from the mountain, presses her own olive oil, and bakes bread daily over a 40-year-old sourdough.

This is what food can be.

A friend sent me this… saw it in the checkout line at Sprouts. I guess we're calling ultra-processed food what it is now...
05/22/2026

A friend sent me this… saw it in the checkout line at Sprouts. I guess we're calling ultra-processed food what it is now — ROTTEN. 🤣

Let's talk about what's actually in here:
- Carnauba wax: the same wax in car polish, shoe shine, and floor wax. The FDA lets food companies coat candy in it so it doesn't stick together. Your body can't digest it. It's literally industrial wax going through your gut.

- Modified corn starch: chemically altered filler that spikes blood sugar, feeds bad gut bacteria, and has zero nutritional value.

- Malic acid: synthetic sour flavoring that erodes tooth enamel with regular exposure.

And then there's the sugar situation. The front of the bag screams "58% less sugar!" Meanwhile the ingredient list has four separate forms of sugar — cane sugar, dextrose, allulose, AND glucose syrup...

But sure. 58% less.

This is exactly how the food industry works. Dress up junk in a villain costume, slap "9g prebiotic fiber" on the front, and charge you $4 at the Sprouts checkout.

The front of the package always tells one story. The ingredient list tells the truth.

They named it right. 🚩

Every bite of food you take is either creating health or fueling dysfunction. Food isn’t just calories, it’s information...
05/22/2026

Every bite of food you take is either creating health or fueling dysfunction.

Food isn’t just calories, it’s information. It speaks directly to your genes, your immune system, your hormones, your gut microbiome, and the biological pathways that determine how you age.

Our modern diet is driving inflammation, insulin resistance, cognitive decline, heart disease, and accelerated aging, not because we’re deficient in pharmaceuticals, but because we’re overfed and undernourished.

Real food has the power to activate longevity pathways, reduce chronic inflammation, balance blood sugar, support detoxification, repair mitochondria, and nourish the trillions of chemical reactions happening in your body every second.

This is why I say food is medicine.

Not processed food marketed as “healthy.” Not ultra-processed convenience products with long ingredient labels. Real, nutrient-dense, whole foods, colorful plants, healthy fats, clean protein, phytonutrient-rich foods that tell your body to heal instead of break down.

Your fork is one of the most powerful tools you have to change your health and your future.

Use it wisely.

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