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The Diary Of A CEO with Steven Bartlett

Most Replayed Moment: Is Milk Healthy? The Truth About Dairy, Sugar, Fruit And Fasting

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PodcastThe Diary Of A CEO with Steven Bartlett
Publisher/creatorDOAC
Published
Shortcast updated

About this episode

Dr Mark Hyman is a physician and bestselling author specialising in food, longevity and metabolic health. In this moment, he reveals why willpower fails around food, what the science says about dairy and milk, whether fruit is actually good for us, and how the timing of your meals could affect your health and ageing. Listen to the full episode here! Spotify: https://g2ul0.app.link/U6SytX86w3b Apple: https://g2ul0.app.link/v3YPvgd7w3b Watch the Episodes On YouTube: ⁠⁠https://www.youtube.com/c/%20TheDiaryOfACEO/videos Dr Mark Hyman: https://drhyman.com/

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Episode summary

I was told that late‑night hunger turns down the rational brain and turns up the dopamine‑hungry part, which explains the bad snack runs, so I try to lock in smart choices early in the day.

Willpower won’t save you; when blood sugar drops the survival brain takes over and you’ll grab whatever is there, so stock the right food before the crash.

I feel that tug‑of‑war at night, and lack of sleep makes the rule‑breaking voice louder.

Stress and poor sleep raise hunger hormones and drive carb cravings, and even healthy students gain weight when deprived.

What about people with very little money, surrounded by cheap sugary options—what are the basics for staying healthy?

Education often beats income in predicting health, and I’ve seen families in harsh food deserts turn things around by learning to cook simple, real food on a tight budget.

We cleared a kitchen of processed boxes, cooked low‑cost staples, set them up with basics, and a year later they had major weight loss, a new kidney, and a son on his way to medical school, proving affordable, unprocessed food works.

Ultra‑processed foods fuel chronic disease and even mental health issues, so we need better education and policy; I support pilot limits on these products for kids’ SNAP, despite tough industry pushback.

I grew up chugging milk to get tall. Many families still see it as a bone booster—what’s your take?

The evidence doesn’t support the old milk claims, and research links some dairy patterns to weight gain, fractures, allergies, and even certain cancers.

Modern dairy is mostly A1 cow milk with added hormonal signals from industrial practices, so if you tolerate dairy, small amounts from A2 sources like goat, sheep, or certain cows may be better; I do fine with goat whey but react to regular whey.

Fruit depends on your metabolism; whole fruit is fine for most people but skip juice, and anchor mornings with protein and fat so blood sugar stays steady, like whey with a handful of berries.

On timing, leave about three hours before bed without food and aim for a twelve to fourteen hour overnight fast to trigger cleanup and repair systems that improve insulin control and lower inflammation; our ancestors naturally cycled through that.

How do we know it isn’t just eating fewer calories that drives longevity, and if so, why not just restrict calories?

Calorie restriction can extend life in animals but is tough on humans and can cost you muscle, so it’s smarter to mimic fasting with an overnight window and, possibly, targeted compounds like rapamycin or metformin as evidence emerges, while keeping enough protein to stay strong.

Do not go to extremes; you want the Goldilocks mix of stimulus and recovery so you build muscle, repair well, and age better.

That was one of our most‑replayed moments; the full episode is linked in the description if you want to dive deeper.

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