Is Intermittent Fasting Safe & Healthy? [Mark Mattson, PhD on Fasting]

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Is intermittent fasting safe and beneficial or unsafe & dangerous??
Mark Mattson is the former Chief of the Laboratory of Neurosciences at the National Institute on Aging and is currently a professor of neuroscience at Johns Hopkins University School of Medicine. His research has advanced an understanding of the cellular signaling mechanisms that control the formation and plasticity of neuronal networks in the brain, and cellular and
molecular mechanisms of brain aging and neurodegenerative disorders. Dr. Mattson is among the most highly cited neuroscientists in the world. He was elected a Fellow of the AAAS and has received many awards including the Met Life Foundation Medical Research Award and the Alzheimer’s Association Zenith Award.
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21 окт 2024

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Комментарии : 567

@janicew6222 Год назад

Farmers basically eat twice a day, breakfast after morning chores and supper after evening chores. We never had lunch growing up, just didn't happen and we were thin.

@bucklesmagee3806 Год назад

Yes. Never were breakfast people growing up. As a kid I'd have dinner at 6-7pm, go out to hunt early the next morning. Have nothing , not even water, maybe a few sips of dad's coffee to warm up. Get home , dress game, fish then dinner about 6 again. That's a 23ish hour dry fast a time or two a month. We were strong and active kids.

@jimrutherford2773 Год назад

I ate like most Americans eat for over 55 years and was metabolically ill. I wised up and went back to my roots in eating mostly animal products and Intermittent fasting and never felt better.

@wendytravis6427 Год назад

Well, not all farmers. My mother’s family were farmers as were some of my father in-laws family. They ate breakfast, dinner and supper. Breakfast was a large meal after mornings first chores. It was very early. Dinner was a large meal about or shortly after noon. Supper was the evening meal with left overs from dinner and maybe something else added if need be. Generally it wasn’t quite as large as dinner. All these farmers were my grandparents generation. People born very late 1800s and before 1920. They didn’t really eat lunch foods.

@janicew6222 Год назад

@@wendytravis6427 My father was born in 1905, and while they might eat something light mid-day, leftover bacon etc. they did eat two meals. So interesting how different families do different things, whatever works best for them.

@paulineburney2970 Год назад

because I am in my 8th decade, and my mum was born in 1912 I was brought up to regard carbohydrate as something to be cautious about. She was horrified by the High fibre, low fat revolution and the fact that too many foods were 'unnatural'and 'messed about'

@Mrs.TJTaylor Год назад

Me too. I’m 70 and as a young girl, I learned from my grandmother that sweets and breads and starchy foods would make me fat.

@1timbarrett Год назад

So interesting, how conditioned we are by our social networks. I grew up - born 1959- with the myth that we must eat THREE carbohydrate-rich meals per day, beginning every day with an unmissable event called “breakfast”.

@TheFuzzieWuzzie Год назад

Your mum was a smart woman. And here you are! 😄

@mickeyaugrec7560 Год назад

@@1timbarrett Agree! Kennedy Admin. Baby, we came up with the 'Food Pyramid' - breads and carbs were the BASE! Such twaddle, dangerously unhealthy in a non-agrarian, more sedentary society.

@piggy310 Год назад

Sounds like white privilege.

@mrmoe110 Год назад

I heard a fitness guy named Charles Poliquin say something that made a lot of sense. He said "you have to earn your carbs." Basically the more physically demanding your life is the more carbs you can get away with eating. For most people's lifestyles today they'd be better off focusing on protein and healthy fats and keep carbs to a minimum except on days where they're way more active.

@mrmoe110 Год назад

@@fry1507 yeah I do a physical job too. I don't always eat a lot of carbs. But during the day when I'm working I might some days. Like my girl cooked a pot roast with potatoes and carrots and I had some. Or I might have berries with my lunch. But when I eat in the evenings after work I usually stick to eating something like steak and eggs

@TBI-Firefighter-451 Год назад

145 Pounds lost on Carnivore over the past year, Thank You Doc Berry your advise saved my life. I do eat a few Cruciferous Vegetables each day but never more than 20 carbs daily. I fast 18 hours every day

@piggy310 Год назад

I fast 23 hours a day.

@sayit-sayit Год назад

145?! 😮😀 That's fantastic! I'm on my first 15 down.

@catw5294 Год назад

Fantastic - great job!!

@fragout45mightyjungle63 Год назад

It's not carnivore if you're eating a few vegetables

@jeff911rn99 Год назад

@@fragout45mightyjungle63 close enough 😊

@DodjiSeketeli Год назад

Breakfast is indeed the most important meal of the day as it's the only one I have, at dinner time! So I do indeed take it seriously.

@barblacy619 Год назад

🤣

@karenreaves3650 Год назад

I have always loved breakfast for dinner, a beautiful omelette. Now, I love poached eggs on my big juicy burger. There is also a meat and egg waffle recipe I can’t wait to try. ❤

@Elusive.magick Год назад

Brinner is wonderful

@lawdogwales5921 Год назад

@@Elusive.magick Brinner is a winner!

@cmorton1002 Год назад

I'm doing a 20:4 IF eating schedule with 48- 72 hr fasts monthly. I also do ketovore. I've gone from 195 7 months ago to 135 now.

@ianstuart5660 Год назад

Big congrats!

@marksmith4627 Год назад

I'm doing almost the exact same diet and just started 2 months ago and have gone from 240 to 212 in that short time frame. Feel great also.

@cmorton1002 Год назад

@@marksmith4627 wtg! 👍

@Ian-vv6tf Год назад

@C Morton. Well done. I do very similar. Also do a weekly 36 hour fast. Feel great. Meat, fat, organ meat, fish ,eggs, salt. That's all you need (+ water !!)

@cmorton1002 Год назад

@John Recker mostly carnivore with a few berries, and maybe some riced cauliflower, tomatoes and avocados- so, ketovore. I do have coffee, but no sugar or seed oils. I just saw a thing about upping my protein, so I'm gonna do that 😊

@ianstuart5660 Год назад

Thar was a fantastic and very informative interview, Dr. B. I was so impressed that you didn't try to rebutt the comment about red meat. To me, it demonstrated a high level of respect for your guest. And he in return, wanted some advice about nut consumption! Great respect for the both of you!

@jeanniewhite9227 Год назад

He also didn’t refute about the vegetable and nut comment. Very respectful.

@ianstuart5660 Год назад

@@jeanniewhite9227 Yes, very much

@ActivateMission2ThisTimeline Год назад

But this leaves some unanswered questions?

@straightupethics Год назад

Agreed! I had the same thoughts about the red meat and nuts comments. Sure is nice to see respectful, inquisitive scientific discourse!

@ianstuart5660 Год назад

@@straightupethics For sure, thanks!

@pqodbenliah Год назад

I really like that you branch out and bring people in that don't necessarily align with your thoughts but are nonetheless seeking the truth on health.

@ianstuart5660 Год назад

That's exactly how I felt with this interview!

@gratefulketo2211 Год назад

Before I even was a quarter of the way through this interview, I immediately looked up whether or not Dr. Mattson was vegan. He is probably healthy, but he doesn’t look it to me. When I was on keto and lost all my weight, I had the same look. I was not eating enough meat. I gained some of the weight back, and now I am doing Carnivore. I have increased my meat and collagen intake, and I am hoping my face will not look quite so emaciated. It may just be a product of being 70 years old but I’m hoping I’ll have a little bit of fat on my face. Oh, well, it will be what it’ll be!

@Mrs.TJTaylor Год назад

He said he eats lots of fish.

@1timbarrett Год назад

I admire your stoicism. 👍

@1plus1equals25 Год назад

I had the same thought

@TheFuzzieWuzzie Год назад

Is he 80? His skin is a bit sallow, but it’s nice and tight! Not much sagging or wrinkles. Have a steak, Dr Mattson! Edit-70

@mickeyaugrec7560 Год назад

Emaciated? Dr. Mattson or you? Dr. Mattson looks healthy. If you're in many parts of the USA outside urban areas, you're used to seeing people over age 30 years pervasively sporting 'Chipmunk Cheeks' (slang for the fat-in-the-face you're speaking about). Not uncommon ... but Not required for good health!

@TAS1965 Год назад

Fasting just happened naturally for me when I started keto because I just wasn't hungry. I use to get the shakes if I didn't eat but that doesn't happen anymore at all. I fast 18-22hrs or so. I just eat when I get hungry. I feel so much better when I don't eat 2-3x a day and going carnivore makes me feel even better than keto did. I've learned that 99% of veggies don't agree with me. I have fibromyalgia, RA, chronic fatigue syndrome and Celiac disease. If I eat sugar, dairy, starch or carbs of any kind including veggies, I feel horrid and my body hurts. If I eat only meat, butter, bacon and eggs, I feel normal again!

@ianstuart5660 Год назад

Fantastic, you made those changes!

@TAS1965 Год назад

@Ian Stuart thank you. I just wish more people would listen. I know so many ppl with the same issues and they won't do anything about it. Too much faith in their dr.

@debbiegoad1639 Год назад

Do you still suffer symptoms of all your chronic illnesses? I have friends/ family members who have these illnesses. But nothing I have said and witnessed have made an impact on them.

@TAS1965 Год назад

@Debbie Goad Yes, if I eat carbs, starchy foods, sugar, dairy and most veggies and spices, my symptoms come back. They make me feel horrid, my body hurts, and the veggies tear up my stomach and make me feel bad. I'm still sick but a lot better than I was. It takes time to heal the gut and get better. I moved to Carnivore at the end of March. I've tried reintroducing foods, but they still bother me. I'm hoping that eventually I can eat some veggies, I miss salads. The gut has everything to do with health, so healing it is important and takes time. We didn't get sick over night, it took yrs so getting better isn't going to happen over night.

@TAS1965 Год назад

@Debbie Goad People have to want to get better. They won't listen to you and do anything until they are sick and tired of being sick and tired or they have a serious health scare. I totally get it. I love food and I love to eat. I use to say I didn't eat to live, I lived to eat. I was addicted to carbs and sugar. I started keto because I was sick of being fat. I had gained 60lbs and I could no longer work. Keto made me feel better and I lost 27lbs. I just kept learning about it and how foods can cause health issues, including mine. I also take a few supplements. I was able to go back to work in Jan after 15yrs! Keep sharing testimonies and videos. When I share videos like Dr. Berry, I tell ppl to read the comments. There is always amazing testimonials there.

@matt94alexander32 Год назад

I don’t think calorie restriction is the path to health. I think feasting(low carb) and fasting is the way to go combined with an active lifestyle.

@donelmore2540 Год назад

FYI, From what I’ve read, in mice/rat studies, their life span increases with calorie restriction.

@robinbeers6689 Год назад

@@donelmore2540 Some research does look that way but it could be that calorie restriction puts them into ketosis and it is the ketosis that provides the benefit.

@maddog3467 Год назад

@Robin Beers depends how long they are fasting for, if they are doing 18 hours or longer they are reaching autophagy wich is your body recycling bad cells out with the old in with the new.

@robinbeers6689 Год назад

@@maddog3467 Yes autophagy is important. I do OMAD most days.

@horse__power7891 Год назад

Eating 3 meals a day has nothing to do with farming. When you are working hard, you may want a break but you don't want to eat because that makes it difficult to work afterwards. We just waited until supper when we could enjoy a good meal, relax, then sleep. I think that city slickers were the ones that wanted to eat so often because they had nothing better to do!

@itsjustme7487 Год назад

My great grandparents were farmers. My mom said the workers ate breakfast and didn't eat again until it was too dark to work or dusk. Is this the norm? or was mom full of it?

@jessicah2345 Год назад

@@itsjustme7487 I grew up in a farming community and this is how they all ate too large high protein high fat breakfast and most days no time or desire for lunch when your sweating you buns off and then an almost identical supper but maybe slightly more carbs at supper

@gratefulketo2211 Год назад

I grew up on a dairy farm. The morning chores would be done, then everyone came in for breakfast. If we were working out in the fields, or if we went to school, we had sandwiches for lunch. Our largest meal of the day was supper. So we had three meals a day.

@1timbarrett Год назад

My hypothesis is that the three-meals-per-day practice was popularized by WOMEN seeking to valorise their contribution to tribal life. I’m a female myself, just so you know.

@itsjustme7487 Год назад

@KAT I agree. My great grandmother was chunky. After her husband died, she fasted a lot and became very slim. She had eleven children, so that might have had something to do with the chunk. Also, the women and children ate after the men had had their fill.

@franciscojaviergomez805 Год назад

Lots of benefits, not many dangers from IF. Great interview!!

@ericwall872 Год назад

Your videos told me how and why. These interviews allow me to tell others how and why.

@nelacostabianco Год назад

The notion of breakfast was commodified by the industrial food complex. In actuality it only refers to the first meal you have after a period of fasting, hence 'break-fast'.

@ianstuart5660 Год назад

Good point!

@barblacy619 Год назад

Within 3 days of eating enough fatty meat and keeping carbs under 20 grams AND eating only when hungry, I went OMAD. From a plant based, low fat, calorie restricted lifestyle. God bless Dr Ken Berry, I am so happy Neisha encouraged him to go RU-vid because I don’t live in TN🤗

@Jayla-dj2gj Год назад

Wow You are extreme. I hope you are taking extra precaution with electrolytes.

@ifomadnotsad2140 Год назад

Thank you Dr.Berry for that interview. It was very informative. I won't throw my hands up in defeat on my weight loss journey even though I'm down 90 lbs and probably need about that much more to lose. I'm basking in the fine results of my loss so far, and just as I feel, I am a lifelong learner, as loss as I have life in me and the quality has improved, I'll be on a lifelong journey of wellness thanks to you and your tribe. Wishing you and yours continued good health. 👍 🙂

@suzikirby1973 Год назад

Dr B is the best at listening , interjecting his points respectfully and I think gleaning out the Wonderful intellectual nuggets from these giants in their fields. Remember everyone, not one of us is 100% right.

@tinachristenson7523 Год назад

When he first started speaking, I thought he looked very unhealthy. Then he said he eats a lot of vegetables and doesn’t think much of keto! Good points on IF, terrible on diet- he looks sickly.

@Cragadom Год назад

Spot on. 🙏🏼 Outdated carnivore opinion? 😢 🙈

@jona5517 Год назад

He does look bad.

@1timbarrett Год назад

I shouldn’t judge anyone by their cover, but yes he does look like he hasn’t seen the sun in years.😢

@KAT-dg6el Год назад

Knew a guy years ago (1998) that had brain cancer & the doctors told him to get his things in order because he had maybe two months to live. He went and saw a naturopath who put him on a strict Organic lots of greens diet. A few months later, I ran into him, I could not believe how good he looked. His skin glowed, his eyes were clear & he looked so healthy! The cancer did take his life two years later. But after I saw him, looking so healthy, I started reading about pesticides & the loss of nutrients in the soil. I then went organic with everything, even with meat.

@lisd2999 Год назад

As soon as I saw him I thought he had that vegan look or strict plant based even though he eats fish. There is just a totally different look to meat eaters and plant eaters , the former have fuller faces with good color , the latter look gaunt and saggy. I will never understand the opinion that we didn’t always eat meat … we wiped out animals because we ate so many lol so how it ever came to be that we were supposed to only eat plants and nuts ia crazy to me.

@ifomadnotsad2140 Год назад

This makes so much sense about leptin resistance. I say so because before I embarked on my health improvement journey, I used to think that perhaps my full button in my brain was broken.

@jimgillert20 Год назад

People at work were worried about me only having sugar free coffee or drinks on lunches and breaks. But I felt sharper being keto while active.

@GunnerHillTX Год назад

Most people don't know what bad things they're doing to themselves, thanks to the misinformation that's been spread for the last +/- 100 years.

@gummybears-n-crime1317 Год назад

They never worry when eating a bag of cookies and a soda though.

@carolinemarie44 Год назад

Same here, my sisters and coworkers are all worried. I feel so good and wish they all would eat this way!

@getagent71 5 месяцев назад

I never let my coworkers know that I am fasting or eating Keto. Just not interested in hearing their uneducated opinions.

@sheilam4964 Год назад

Nice to meet you Mark. Thx guys for the excellent colab.

@chazwyman8951 Год назад

I've pretty much been doing OMAD od 2MAD for 17 months now. I lost 45lbs last year , but not lost anymore for the last 8 months. I still have some to lose, but am happy with the current balance. I don't really feel the need to eat between meals, and I can't see any problems, only benefits.

@robyn3349 Год назад

Thank you! Interesting how even the smartest don't know everything! Keep learning and do what works for you!

@lucyburr5516 6 месяцев назад

You are a very patient and respectful interviewer. I appreciate that about you, Dr. Berry.

@shalamusic Год назад

type 1 diabetes since 1989.Started the Zone diet of Barry Sears early 90's,eliminating grains and complex carbs. Now graduated to Keto. Fasting is tricky for type 1's. Right now I'm eating every 5-6 hrs

@ann-mariecoombes632 Год назад

I was more than happy to hear how exogenous ketones consumption protects the brain. I drink them daily, bc my dad has dementia and I want to avoid it at all costs. I studied Chinese Medicine 30 years ago and the most important piece of advice from a lecturer was, prevention is better than cure.

@seanveach950 Год назад

I do love these conversation though, it shows how people so involved in one or two aspects of something are completely divorced from other aspects. We just cannot escape the years of being told certain things and we refuse to believe we can be so wrong on some things.

@ianstuart5660 Год назад

Definitely true!

@thelmanavarro6156 11 месяцев назад

Bueno, también debes estar abierto a considerar que NADIE tiene la verdad absoluta. Eso no existe....

@frugalprepper Год назад

I have done some fasting. Once I didn't eat for 3 months, and I lost 80lbs. Once I got into day 4, I wasn't all that hungry. I have also tried some 2-3 day fast, but the hunger the first 3 days is REAL, and I don't enjoy it.

@R27035 Год назад

Please tell us how this three month fast went. Benefits and any problems you encountered.

@AlanWil2 Год назад

Cheers!!!

@divinediva_ Год назад

Was this for spiritual reasons?

@frugalprepper Год назад

@@divinediva_ no it was because I was fat and wanted to loose weight

@frugalprepper Год назад

@@R27035 I didn’t have any problems. I didn’t air any salt or supplements.

@nonfictionone 8 месяцев назад

Mr Mattson is seriously the goat. Because HE’S NOT SELLING ANYTHING AND HE’S A SCIENTIST.

@deloresrobinson1958 Год назад

Awesome interview!💞 I love fasting so much! I have followed a usually 16-18- he then eat mostly one good meat meal!I'm 65 but feel like I'm no more than 40. I'm trying to get to feeling 25! Lol thanks for this!

@gsgacc Год назад

People talking about how Mattson looks. He had a mountainbiking accident snd problems with his core muscles and had to undergo extensive surgery. I have followed him for years I rate him highly. He and THU are a great source for information.

@mv0902 Год назад

Excellent info! Thank you both.

@laurarance4352 Год назад

This is great information. Thank you both so much. Love you Dr. Berry. You are freaking awesome!

@cattleprods911 Год назад

Thanks gents for this excellent talk. Keto + IF (OMAD, 18-6. 48hr etc.) has treated me very well, and due in no small part to you and folks like you. Thank you!

@ytubechannel997 6 месяцев назад

Really enjoyed this! Great information and conversation!

@ShineDawg Год назад

Mattson is a national treasure, thanks Dr Berry for all the priceless information. You are amazing sir

@melissaandrews1603 Год назад

Yes! I believe that whole heartedly! I had gestational diabetes with my 2nd child, and he’s much more drawn to carbs than my oldest child. I’ve watched this for 14 years.

@jessicah2345 Год назад

I'm always so interested to hear this because honestly out of 4 kids my carbaholic is the one that I ate the healthiest with ...low carb with lots of meat and fat and some veg and the only pregnancy I was a normal weight before and during but she's my unhealthiest kid and unhealthiest eater... But... She's the only one that never gets cavities

@melissaandrews1603 Год назад

@@jessicah2345 Wow! Well, I only had the two to compare. But, mine are opposites! First born, no cavities ever, last born, always something new at the dentist. First born, no broken bones ever, last born, broke arm three different times, three different activities. 🙄

@andyb190 Год назад

I was sat listening thinking "This guy seems a little brain fogged". He looks pasty, and not thriving. Then 17 mins in...bingo...he eats a lot of vegetables!! Good patience there Ken, in not debating this. He has some interesting things to say about fasting...albeit very slowly...so let him do him 😂

@ianstuart5660 Год назад

For sure, seems like a decent caring guy but I could be wrong!

@andreavanda5402 Год назад

I totally agree.

@seanveach950 Год назад

I have believed for a long time now it is how frequently we eat that makes a huge difference with longevity. I think the activation of the processes to digest food takes a toll, especially when it occurs often and closer together, with less time for all the things that need to recover or happen between meals. Eating 'normally', we just never let the body recover between meals.

@vickiemiller4227 Год назад

Very true! When you don't eat...you give the liver and kidneys a chance to rest and repair

@ann-mariecoombes632 Год назад

When we eat the primary role of the body is to digest and all other bodily processes fall by the wayside. So the less digestion the more time the body has to function properly.

@kenadams5504 Год назад

Carnivore brings leptin sensitivety.... Its a beautiful feeling that is anathma to carb cravings.

@matt94alexander32 Год назад

I’m more on the Dr Berry end of the diet spectrum. Lots of fatty red meat and eggs with the yolk. Currently carnivore.

@KismetWLS Год назад

That's what's working for me, and I've never been a big one for cheese, so I'm glad not to bullied into having it on darn near everything.

@matt94alexander32 Год назад

Fatty fish and seafood too of course. 😋

@saralouise-bo2rm Год назад

Hi Dr Berry Every morning I have 2 cups of water with lemon Then give or take 1 or 2 hrs later I’ll have big fat coffee with MCT. That allows me to not eat while I’m physical at work reachin over 12,500 steps & then walk for an hour = 5.5kms & then head home to eat the first meal of the day so give or take between 3 n 4pm. I only eat meat, goat cheese, eggs, kafir. At the end of the day I slip on a cup of bone broth. Life is good on carnivore

@naomimason2207 Год назад

So much respect for Mark Mattson. Really interesting talk.

@jimmymalone3494 Год назад

Awesome video I enjoyed it very much.Thank you for sharing.

@hopoutside Год назад

I fast once/wk for a 40 hr time period, from Wed night to Fri afternoon. I supplement when breaking the fast. Also exercise 3 days/wk with weights and 2-3 days walking for 1-1.5 hrs. Have been doing this for 7 weeks, along with cleaning up my diet (less carbs, no sugar, no processed foods). Have lost 23 lbs in seven weeks. Not necessarily doing any particular diet, yet at times i’ll eat keto meals. Ran across all of this after getting POTS symptoms post-recovery from long-Covid, as well as having fainting episodes. I went to a few doctors and even the ER when i thought i was having a heart attack. What i’ve learned is that i was metabolically broken, and that the current medical apparatus completely failed to asses my situation appropriately. I’m on the lookout now for a doctor outside the system who can help me with my diet, hormones and fasting advice. Most doctors nowadays are not equipped with the info req’d to help 93% of people in the U.S. with their metabolic health. I’m 49 and seriously thinking about how i can get help with diet/fasting/exercise as a holistic approach of healthcare rather than getting into the current system again.

@ActivateMission2ThisTimeline Год назад

HopeUdidN0TgetThoseArmPokies.

@ianstuart5660 Год назад

VERY much agree. Good that you're on a better path and hope you'll find the help you're looking for!

@lawdogwales5921 Год назад

Where do you live, what part of the country?

@anjaplazoniccoulson1086 Год назад

Great guy! I loved the interview!

@jessicah2345 Год назад

Not that i didn't get anything out of this but he's not exactly giving me peak performance vibes in more areas than one. Maybe his aversion to meat...

@ellek6505 Год назад

Wow, I agree.

@electronictrip Год назад

u mean red meat?

@MalleusDei275 Год назад

What is his age?

@sprak404 Год назад

@malleusdei6796 36 years old I'm kidding he's 66

@michelesimpson2237 Год назад

Give this guy a steak

@karenreaves3650 Год назад

Great interview Dr Berry thank you so much, Dr Mattson’s experience and research answers important questions.

@penelopehusker4275 Год назад

Very much enjoyed this interview. Thank you, Dr Berry and Dr Mattson.

@vickistyle3756 Год назад

I work in a school. These kids are being trained to eat constantly. Most have breakfast before coming to school. They snack in the morning, have lunch, another snack mid afternoon... then home to possibly another snack (home at 2:30) then dinner. Scary!

@TexasLyoness 11 месяцев назад

Loved this guest!

@BobbieFL Год назад

I agree not eating for 16-18 hours a day is life extending . This might be the reason why some people can smoke and drink and lived till they’re 99. Looking at the older patients of mine over the years. I realize the ones that were smokers and lived over 85 basically had a black cup of coffee and a cigarette for breakfast and didn’t eat for hours. That might be the reason why day we’re lucky enough to die from heart, disease, or cancer. Definitely don’t think anybody should smoke one cigarette ever but I’m seeing a trend over my 40 year career. Also, centenarians will tell me that they naturally fasted 14 to 18 hours a day sometimes just having a cup of tea in the morning. Or eating breakfast at six lunch at 12 and then not eating at all until the next morning. Maybe the autophagy Eats up all the bad stuff and allows them to live longer. I do notice this guy does not agree with Dr. Berry on diet other than the inner minute fasting. I’m not a carnivore, but what one wants to do to improve is what is important if they can make it work . If you want to live to 75 carnivore but if you want to live to 100 no. I’m looking at this objectively. I don’t agree with the carnivore diet. I do agree with a lower carb diet using Whole Foods staying away from processed greens if any grains at all. Grains are polluted these days. Very sad.

@rubylady7126 Год назад

As for the ending suggesting that if parents smoke or drink, the kids will continue that, very disheartening. My parents both smoked like a chimney and drank like a fish, mom died at 63 with cancer and tumours that she didn't know she had, and dad died at 74, in his living room chair. He was found a few days later by his buddy, and there was an open bottle of whiskey on the side table right beside him. He also had a number of health issues, many that he hid from us that we didn't know about until we cleaned out his house. I, on the other hand, Never got into smoking because of the disgust I had of it growing up with it always in my face, and I don't drink. I am healthy as a horse, on keto, and will live until I'm old and gray, dying peacefully in my sleep at 105 years old like my great grandmother 🥰

@LKN4WAR Год назад

Mark reminds me a little of Doc Brown in back to the future. Great info. One issues with the blue zones is healthy user bias. Higher carbs in those zones also preclude the eating of junk food and drive throughs. Even plant based will be healthier than standard American diet. The people eating meat in a drive through with industrial seed oils coating the fries and the milkshakes are equated to “meat eaters” There are no large modern communities of predominately carnivore or clean ketogentic to have a real comparison so of course blue zones will have longer life spans. Of course high fiber plant based will be better than industry lab creations with a side of death.

@CassieDavis613 Год назад

The McDonald fries used to be cooked in lard. That stopped in 1990.

@davidburdick594 Год назад

Hippocrates said "Never put new food in your stomach until the old food is gone"

@suzieqgm643 Год назад

Fasting for last 8 years and still alive ❤

@StephanieChadd-yu5jd Год назад

Has anyone noticed Dr Berry looks healthier than the other doctor.

@mandyb2000 Год назад

How old is he? I think Dr Eric Berg looks heathier...this dr used to be obese, is that correct?

@vee4410 Год назад

@@mandyb2000 he's 66 years old. He looks way older than he actually is.

@mandyb2000 Год назад

@@vee4410 are you talking about Dr Berry though? That is who I was referring to.

@vee4410 Год назад

@@mandyb2000 oops sorry, I think I replied to the wrong comment, Dr Berry is 54, he looks great

@philipsheard624 11 месяцев назад

Thank you both for this insightful video x

@patriciavarga4084 Год назад

Thank you! I learned something and appreciate it!

@dalequale9365 Год назад

Yea. Paleo 2x meals per day complete appetite control after 6 weeks. 18 months later, it's my new normal. Age 68, what a aha moment and gift 📦 👍💪

@555Trout Год назад

I'd have appreciated explaining why he's against "red meat" and cheese?

@ronladuke7235 Месяц назад

He mentioned the so called studies of the blue zones that supposedly ate mostly vegetables that have been refuted by unbiased studies done more recently. Also the seventh day Adventist because of religious beliefs don’t smoke or drink and are very family oriented so you can’t compare them to the average American that has a much riskier lifestyle. Also they never mention the Mormon community has equal longevity and are meat eaters? Another example never mentioned is people in Hong Kong have the oldest living people and the highest meat 🥩 consumption??

@bagamias-hula Год назад

I can respect what he says and still disagree with his statements on red meat, ketosis, hermetic plants, etc. Excellent discussion. Thank you both for your expertise!

@nannygirlkc Год назад

I also have a very low BMI and I have to make sure I'm eating enough to maintain my weight. So far it has stayed steady even though I can see that I still lose fat. I've been adding exercise 3 times a week, particularly jumping and jump rope on a hard surface to help with bone density.

@thelmanavarro6156 11 месяцев назад

Quizás sea más efectivo hacer ejercicio de fuerza para ganar masa muscular 💪

@takamae. Месяц назад

It's almost like we have had this healing mechanism hidden from us. How don't we all know about this. That's completely by design.

@josskorvus3428 Год назад

Another great interview.

@rasferrastfarian739 Год назад

Despite eating poorly this week (by choice - partner's 50th) I have found (n=1) that carnivore is the best way of eating for me; OMAD, I've lost almost 20kgs. This poor man has not kept up with the debunking of the "blue zones" etc. He looks quite unwell in my opinion - too many carbs and no, vegetable are NOT good for you. Well done Ken for not pandering to his incorrectness with diet, exercise etc. Otherwise great interview with many points of interest for us life long learners.

@Le60o Год назад

Fantastic interview …. Thank You both for your time. I got a lot out this video … like they say “Two brains is better than one” and I need all the help I can get! 😅🇦🇺💜

@gummybears-n-crime1317 Год назад

I used to love food so Much. Once I started healthy keto , I naturally migrated to IF without realizing it. I had to force myself to eat which I regret. I should have rolled with it. Keto made me more insulin sensitive bc I was insulin resistant. Doctor wanted me to take CRAPformin. NO. I went home And immediately got online and went cold turkey keto. It works for sure but still had glucose spikes prob bc of almond flour, veg, etc carbs. Went to carnivore 2 months ago. It’s so simple, yummy and satisfying. Spending less money, less produce waste, less garbage, NO spikes at ALL, less time spent on keto and keto cheats. I rarely I’d ever need a cheat because I’m So satisfied. OH and fasting just makes you so much more productive. Love it.

@Lottieloves287 Год назад

So I was taking probiotic gummies in the mornings and I didn’t realize they were breaking my fast 😢 now I am more careful with those things!

@KAT-dg6el Год назад

Anything gummy has artificial flavor and sugar in it.

@nutritioncoachjo Год назад

@@KAT-dg6elUnfortunately yes. I hate swallowing pills but when you read the label on these chewable, they are nothing but supplements inside of candy.

@MareBlz Год назад

Those are just candy

@KismetWLS Год назад

I'm finding unnecessary sweeteners and starches in so many things even essential vitamins and minerals, or some brands of melatonin.

@josephcostello1812 Год назад

I’m so proud of you Doctor Berry!

@jerseyjim9092 Год назад

I've toyed with these fasting and time restricted eating deals and now I just eat when I feel like it. Why complicate things.

@lawdogwales5921 Год назад

I guess it depends on how often you feel like it!

@stephaniecorbett5356 Год назад

Love your channel, thank you so much for all your expertise. Stevie, York, UK

@deputydawg6520 Год назад

His color doesn't look healthy to me. I strongly disagree with his opinion regarding the need to eat plants and to avoid red meat.

@lisamiller9829 Год назад

I thought that as well

@vickiemiller4227 Год назад

Dr. Berry looks healthy, energetic and full of life...this Dr. looks and acts like he needs a nap

@makellyjt Год назад

Humans come in all colors - but it's our insides that says it all 🎉

@tunatony Год назад

Dr. Ken looks like he's on Viagra 😂🎉

@SamA-kl6pi Год назад

A: that could be his camera. Dr berry does RU-vid professionally. B: data is more convincing than opinion, you gotta back up your position with data when debating an opinion

@owlsonik37 Год назад

Well, that explains why my chess game is way better in the morning! I’ll keep fasting breakfast, especially during a chess tournament

@briantwardy2809 Год назад

Wow. Dr Mattson is a very interesting guy, and he and he has a tremendous amount of knowledge and experience. We may need to work on him to be more accepting of red meat. Since he is currently a professor at Johns Hopkins in Baltimore, he is aces with me. Cheers from Baltimore and thanks for introducing him to me/us.

@CarisaRae 11 месяцев назад

I saw a study showing calories restriction helps from weightloss but NOT for longevity....

@robertnelson1526 Год назад

Changed to. Carnivore diet about three months ago age 70 my 25 year battle with COPD is down to almost nothing the mucus is down at least 80 % and medication down to only when l need it thank you doctor ken

@CassieDavis613 Год назад

The discussion was about intermittent fasting, but the guest couldn't keep his pescatarian and oxalate beliefs to himself. I respect Dr. Berry's response to that.

@martarico186 Год назад

Dr. Berry, please follow up on plants. I'm confused where you stand on this.

@annie22krm Год назад

Great video!!

@dennisgarber Год назад

There is no publish date. I am drowning in a backlog of videos to watch, and no time to watch old videos. The lack of a date stamp means that I cannot, in good conscience, put this in my playlists of immediate tonight or immediate morning. I can only put it in the maybe someday playlist, which will only be watched if I ever get sick and have nothing better to do than watch old, long, maybe someday videos.

@hortensemason4073 Год назад

His Bio is fascinating.

@pamelacarboon7976 Год назад

2 months Lion/Carnivore diet, have MS and in a wheelchair, for now, I am unable to exercise however I fast daily, sometimes 24 hours, sometimes 18 hours. Am not overweight, and also in my early 60’s. Is there anything you might recommend I do to help improve my health. Your expert opinion would be greatly appreciated. Thank you so much.

@scldef2223 Год назад

How come you didn't counter the eating less red meat comment that PhD Mattson said? That comment goes against the most eaten food in your diet.

@KenDBerryMD Год назад

We all have our blind spots...

@ianstuart5660 Год назад

Was wondering the same. I suppose he was just trying to be respectful to his guest!

@miltonbates6425 Год назад

Red meat is the healthiest food on the planet. We can't let people demonize it without calling them out.

@chuckleezodiac24 Год назад

probably because humans are omnivorous whereas Carnivores & Vegans are silly fanatics.

@nutritioncoachjo Год назад

I have read that red meats are not bad for you because of the fats, however, there has been some studies that said it causes inflammation. I try to avoid Al inflammatory foods due to my autoimmune issues. Would love to know if Dr. Berry believed that to be true about red meat.

@sveneriksson7319 Год назад

I fasting 3x40 hours per week .. Feel wonderful doing this with carnivore... -140lbs in 7.5 months

@mikao9401 Год назад

You fast 3x for 40hrs a week?

@ianstuart5660 Год назад

Amazing!

@sveneriksson7319 Год назад

@@mikao9401 yes... fast 40 hours Then a 8 hour feeding window with 2 meals.. And back to fasting.. Eat on Mon Wen Fri Sat

@josephcostello1812 Год назад

Congratulations for finding & sticking to something that is really working for you! So motivating!

@AlanWil2 Год назад

How do humans survive famines if fasting is so dangerous?🤔

@vitalishus Год назад

@AlanWil2 Well the point is, it’s not dangerous. So why the question?

@KAT-dg6el Год назад

I really don’t like it when humans are compared to the eating habits of other animals. “Baboons have a six hour eating window” I’m not a baboon. 😂

@ParticipationTrofee Год назад

Been at it for 18 months. It's the true Fountain of Youth, and all you have to do is nothing.

@jartotable Год назад

I very rarely have breakfast unless someone else is paying 😂 but on the whole I find eating one meal a day works best for me. Just up the liquids.

@1timbarrett Год назад

Yup. And as “bridge drinks” go, I find water works well enough for me. 💧

@mabelheinzle2275 Год назад

Bless you both -brilliant

@user-rb9km2oo9n Год назад

Dr Mattson is a runner judging by the trophies in the cabinet behind him. He has the physique and face of a distance runner, so horses for courses you would not expect him to look anything other than lean. Don't be too hard on him. I work with many academics and although they have brains to spare they are not always eloquent when explaining concepts to the rest of us. Just saying......

@texasnative 9 месяцев назад

He said “Don’t eat a lot of red meat”, eat more fish”. It’s amazing how so many doctors can’t agree on exactly what we should be eating.

@Aaronleosaid Год назад

My interest died when he said don’t eat too much red meat 😴

@divinediva_ Год назад

🤣🤣🤣

@OlusCorner Год назад

😂 Same. But I finished the podcast to get his insights on fasting.

@juleerowley9706 Год назад

Me too

@TheCuratorIsHere Год назад

Yeah, such ignorance about nutrition. 🤦‍♂️

@SlickClicks Год назад

Then I recommend the wishful thinking diet for you. The way it works you eat whatever you like and convince yourself it's good for you. Research shows that you will die happy. And quickly which also reduces your carbon footprint. If science is important to you then make some up. Like dinosaurs ate only red meat and never had heart attacks.

@nightowl2481 Год назад

I’m curious about dry fasting

@Floodland-bn3ol 8 месяцев назад

Any ideas or tips on avoiding gallstones when fasting?

@deannagalvan2397 Год назад

• Calorie Restriction has caused many a person to have eating Disorders. • These people become obsessed with calories, what ever they are eating, • Focus should be on the nutrition offered by the food. • Variety of protein sources and good fats, •Seasonal small amounts of berries, cherries, tolerated fruits and nuts; in quantities as if you had to forage for them, and dry the nuts. • Grains are useful to have, to survive through famines, but not to thrive. They were meant to fill empty bellies of large populace that would starve with out it. But it has been made a daily staple and filler in processed foods. Then came sugar (legal crack).

@nesspan3474 Год назад

what about people with low blood pressure, how do we go about fasting?

@erniebeswick7675 Год назад

Great interview .lots of good answers . 1 missing fasting and healing auto imune problems

@elizabethsoenen7393 Год назад

Very interesting. Thank you.

@halab9052 Год назад

IF - I have IBS (SIBO, candida..- yes I'm working on that) IF helps me to control IBS. Drinking liquids in the morning really helps my gut. When I start eating too early after getting up, and I don't drink enough liquids - I end up with nausea, and IBS symptoms (cramps). IF helps me with my issues.