Functional Medical Institute

10/22/2026

This Thankful Thursday, I’m grateful for gratitude itself.

It’s easy to focus on what we’re still working toward, what needs to change, or what we wish we had. But gratitude reminds us to pause and recognize what’s already good in our lives.

Sometimes, a shift in perspective is all it takes to see how much we already have to be thankful for.

What are you grateful for today?



{Thankful Thursday, gratitude practice, power of gratitude, positive mindset, appreciation, daily gratitude, intentional living, emotional wellbeing, finding purpose, Dr Mark Sherwood}

10/21/2026

10/21/2026

Feeling exhausted even when you’re getting enough sleep? Your iron levels may be worth looking at.

Ferritin helps us understand how much iron your body has stored. When those stores are low, some people experience fatigue, difficulty concentrating, hair shedding, or reduced exercise tolerance.

If you’ve been struggling with unexplained fatigue or other symptoms, don’t simply push through them. Ask your healthcare provider whether checking your iron status makes sense.

For women who want to understand iron health better, comment IRON and we’ll send you our Iron Guide for Women. 🤍



{ferritin levels, iron deficiency, iron stores, low ferritin symptoms, iron deficiency in women, fatigue and iron, hair shedding, iron health, womens health, Iron Guide for Women}

10/20/2026

Your brain deserves the same attention you give your muscles.

Cognitive health isn’t something to think about only when memory starts slipping. The habits you build throughout your life can influence how well your brain functions as you age.

Physical activity, quality sleep, continued learning, and good nutrition all play a role. None is a magic fix on its own, but together they help build a stronger foundation for long-term brain health.

The goal isn’t just to live longer. It’s to keep thinking clearly, learning, remembering, and staying mentally engaged along the way.

Start with the basics. Your future brain depends on them.



{brain health, cognitive function, memory and learning, cognitive longevity, healthy aging, brain nutrition, exercise and brain health, sleep and cognition, mental sharpness, Dr Mark Sherwood}

10/16/2026

New Authentic Longevity Podcast episode is out now 🎙️

Dr. Mark Sherwood sits down with Lou Ferrigno, Mr. Universe champion and the original television Incredible Hulk, to talk about what it takes to stay strong as you age.

In this conversation, Lou shares:
- How he turned childhood hearing loss and bullying into motivation
- Why discipline keeps you going when motivation fades
- How his training has changed over 50 years
- Why he says supplements should never replace food and hard work

Watch the full episode here: https://youtu.be/xaMML_nJHuk

We would love to hear from you. What does staying strong for life mean to you? Share in the comments 👇🏻

What does it take to stay strong as you age?Lou Ferrigno, Mr. Uni...

10/15/2026

Tomorrow on the Authentic Longevity Podcast: Lou Ferrigno, the legendary actor and bodybuilder best known for playing The Incredible Hulk.

We’re sitting down with Lou to talk about fitness, strength, longevity, and what it takes to stay committed to your health through every stage of life.

From building a legendary physique to maintaining strength and vitality over the years, this is a conversation about what it really means to stay strong for the long run.

The full episode drops tomorrow. Stay tuned.

10/13/2026

If your goal is fat loss, stop treating your body like something you need to punish.

Eating less and doing more cardio might move the scale, but sustainable results require a better approach. You need to preserve muscle, fuel your activity, train for progress, and understand what your body actually needs.

Muscle plays a major role in strength, metabolic health, and how well you function as you age. That’s why the goal shouldn’t be to weigh less at any cost. It should be to lose fat while protecting the muscle that keeps you strong.

Build muscle before you need it. Your future self will thank you.



{fat loss, muscle preservation, muscle building, metabolic health, strength training, sustainable weight loss, nutrition for fat loss, healthy aging, body composition, Dr Mark Sherwood}

10/12/2026

What will your last 10 years look like? The answer depends on more than how many birthdays you’ve celebrated.

Biological age gives us a different way to think about aging. It looks at how your body is functioning at a cellular level, including the role of your mitochondria.

For Dr. Michele & me, longevity has always been about more than adding years to life. It’s about protecting your strength, vitality, and ability to keep doing the things you love as you age.

Comment BHW and we’ll send you the full Biohackers World Chicago keynote.



{biological age, chronological age, mitochondrial health, cellular health, longevity, healthspan, healthy aging, vitality, functional medicine, Biohackers World Chicago keynote}

10/11/2026

Your wearable can give you the numbers. But do you know what they actually mean?

Heart rate, sleep scores, recovery scores, HRV. People are tracking more health data than ever, but tracking a number and understanding your health are two very different things.

Technology can be a useful tool, but only when you know how to use the information it gives you.

This is exactly what we’re discussing on the Authentic Longevity Podcast.

Comment PODCAST and we’ll send you the link to the full episode.



{wearable health technology, health tracking, HRV, sleep tracking, recovery scores, health data interpretation, personalized health, longevity, functional medicine, Authentic Longevity Podcast}