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Harvard Intermittent Fasting Researcher Reveals the Clinical Truth Behind Fasting and Real Results

80K views · May 13, 2026 · Science & Technology

Comments · 151

  • @The.Living.Room.Podcast · 4 months ago · pinned

    Dr. Courtney Peterson's most surprising finding? Fasting doesn't primarily work by burning more calories — it works by suppressing appetite and improving how your body handles blood sugar. And the timing of your eating window matters more than most people realize. Drop your biggest question about fasting below — we read every comment. 👇

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  • @ElizabethenjoyingFrance · 4 months ago (edited)

    You can use my data. I am 59 yrs old and started fasting 5 months ago and have been consistently using the 16\8 fasting never missing a day, occasionally I do 14 hrs . I dropped 15 pounds and I eat my biggest meal at dinner by 6 pm. I feel less hungry throughout the day after I break my fast, just not hungry. All my meals are actually healthy. My biggest struggle is bedtime wanting a snack. Also by 930 am I start struggling but tend to go walk to keep busy to get to 10 am. Sometimes, I go longer if I can but that’s rare. I feel amazingly healthy and have noticed my energy improved, I sleep better and my chronic pain has mostly disappeared. I completely stopped my pain medications 2 months ago and I am never stopping this fasting because more than the health benefits, I love the discipline of it all. I feel in control of my body and my mind.

    21

  • @momofmanda · 4 months ago

    I eat an early lunch and an early dinner. I thought it was just me that gets hungry for a little snack right before bedtime. I have NO self-control when it comes to sweets, so I just don’t buy any. I don’t even have leftover bags of chocolate chips from a baking projects. If I have leftover treats from the grandkids hanging out, I sent it home with them.

    11

  • @BobCoalWater · 4 months ago

    I grew up on cereal for breakfast eventually got naturally sick of eating that crap, so when I went on my own and I now had the liberty of not having to eat in the morning , I simply never ate until the afternoon.  Then later on in life after constant repeating in the media that it's very important to start your day with a good meal in the morning and being a little concerned that my young daughter might want to imitate me, I started eating a 3rd meal also gained considerable weight for the first time in my adult life.  Went on a diet, lost most of it and never had a morning meal since, haven't gained my weight back either.  Dont know if it's called fasting, but it works for me.

    16

  • @noellane3861 · 3 months ago

    They really need to make a completely different conversations 1. obese weight loss 2. Desirable weight loss <br>3. Lean maintenance 4. Fasting health protocols for autophagy, blood pressure etc

    1

  • @ChipSmith-t3i · 4 months ago

    I think the best way to improve diet or health is learning how to cook. Almost all of the processed food is bad. Even restaurant food is lower quality. I was doing the 36 hour fasts and added exercise with increased whole food nutrient density meals. Crazy health improvements.

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  • @martynhaggerty2294 · 4 months ago (edited)

    Lost 8kg on the 16/8 in 4 months. Also cut out bread, &nbsp;cakes and &nbsp;biscuits. Stabilised now at 6kg loss because I&apos;m not so strict. Ps I&apos;m 78 male and teetotal.

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  • @thewrightoknow · 3 months ago

    I lost over 54 kilos with time restricted eating. I once did a 40 water fast, after 10-12 days I was never hungry and needed to force myself to eat. I found this really helpful to reverse my type 2 diabetes. Now I am on Keto/Carnivore and still trying to reverse my T2 diabetes. I am in the UK and my dr is totally opposed to me eating keto even though I am off T2 Diabetes medicine. Great interview. Thank you.

    3

  • @rod1449 · 4 months ago

    I have often heard it said that there is no science to support the idea that breakfast is the most important meal of the day. This ignores the findings of the ancient medical systems with a few millennia of research behind them. TCM understanding of our circadian rhythm recognises our digestive powers are at their peak in the morning, strong in the middle of the day and weak in the evening. Thus the saying: &quot;Eat breakfast like a king, lunch like a prince and dinner like a pauper&quot;.<br>I took up intermittent fasting a decade ago after seeing Mark Mattson&apos; research. I went without breakfast and had my first meal after 1pm. My doctor is a doctor of TCM / Chinese medicine. Her advice was to turn it around: eat in the morning, fast in the afternoon. I had tremendous difficulty turning this around, because morning fasting fit my life much better. But now I don&apos;t &nbsp;experience fatigue in the middle of the day anymore.

    4

  • @christianaaristidou3571 · 4 months ago

    I do my fastings similarly to Chris. I almost always skip breakfast and keep on 16/8 window or 18/6 more often. Dinner is a must😆 favorite meal! I will try to have it earlier, like at least 3 hours before I go to sleep!

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  • @normdeplume7133 · 4 months ago

    I didn&apos;t realized I was doing &quot;Intermittent Fasting&quot; until my AI agent pointed it out to me. I eat my breakfast around 8-9 AM and dinner at around 3-4 PM. And I walk 4-5 miles a day after dinner 7 days a week to improve insulin sensitivity. I do strength training 5 days a week and I&apos;m in a calorie deficit also on a low carb (for glucose control) and high protein (for muscle building) diet. I do it for health but if looking good and fit is the side benefit, that&apos;s a good plus.

    5

  • @kpt75 · 4 months ago (edited)

    I am an evening person and I have never eaten breakfast cause I just can not diggest food when I wake up. I eat my first meal (lunch) after going for a walk and doing some yoga practice - so about 3 hours waking up. I eat my second warm meal about 6 hours later and if I am still hungry I will eat something more before going to bed. Most days I naturally eat inside that 8 hours eating window. I am 50 years old, normal &nbsp;weight, no cronic illnesses and would NEVER go against what feels good for me aka try to eat a big breakfast and not to eat in the evening. Some people are naturally morning people and what suits them does not necessarily suit others. So people need to trust what rythm feels good for them not just blindly follow what someone else feels right for themselves!!

    4

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