How Intermittent Fasting Affects Your Body and Brain | The Human Body

Stars like Beyonce and Hugh Jackman have spoken out about following intermittent fasting plans to get in shape. How does intermittent fasting work? Here's what actually happens to your body and brain when you fast. Following is a transcript of the video.
How long has it been since you last ate? People who fast intermittently often eat within an 8-hour block, leaving 16 hours of fasting in between. During that 16-hour stretch, their bodies undergo an important change that sets them apart from non-fasters.
Here's how it works.
When you eat, you store some of that energy in the liver as glycogen. But after 10-12 hours of not eating, your glycogen reserves will be extremely low. As a result, you may feel more irritable than normal, a term scientists call "hangry."
The upside is - with little glycogen left - fat cells in your body release fats into your bloodstream. The fat cells head straight to your liver, where they're converted to energy for your body and brain. So, you are literally burning fat to survive.
Blood samples show that people who had fasted for 12-24 hours experienced a 60% increase in energy from fat, with the biggest change occurring after 18 hours. This is the benefit to intermittent fasting because it puts you in a state called ketosis. And it's why researchers think intermittent fasting could be the key to a longer, healthier life.
The process of burning fat releases chemicals called ketones. In the brain, ketones trigger the release of an important molecule called BDNF. BDNF helps build and strengthen neurons and neural connections in areas of the brain responsible for learning and memory. Which could explain why a boost in ketone production has been shown to improve memory in people with early signs of dementia in as soon as 6 weeks. Increasing ketones in the body is also a common treatment for patients with severe epilepsy.
You don't necessarily have to fast to boost your ketone levels. Introducing more fatty foods into your diet and cutting back on carbs can have a similar effect. A group of people who tried this method for 3 months not only lost weight and body fat, but also saw a decrease in blood pressure and a hormone (IGF-1) that is related to aging and disease.
But scientists have discovered that fasting increases ketone levels more. Ketogenic diets can increase ketones 4-fold whereas fasting has been shown to increase ketones by up to 20-fold. As a result, fasting - compared to a ketogenic diet - may have a stronger, more beneficial effect on overall health.
Yet many Americans who eat three meals a day with snacks in between never reach ketosis, and therefore aren't producing enough ketones to promote good health.
Fasting and ketosis have been a key to our survival from the beginning. They helped our ancient ancestors survive through bouts of starvation.
And today, they're becoming recognized as a way to help keep future generations mentally and physically disease-free.
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How Intermittent Fasting Affects Your Body and Brain | The Human Body

[@andregarcia5707]

No one going to talk about Wolverine in the thumbnail

[@ramsesclviii2584]

wolverinediet is hard but you'll live longer than being on a carb diet sponsored by cancer and diabetes.

[@robm2681]

They used his picture because this is part of the diet he used when prepping for films.

[@brauljo]

In the video description

[@jartagniancopria1120]

Berserker Barrage!!

[@AshwinBalani]

lol!

[@Roark441]

Who else is fasting right now?!

[@zedzidane]

Yo

[@Rikki-lh2mw]

I'm

[@_Koulaid]

I am

[@brownpunk1794]

I did for 8 days straight..now i dying. Would not recommend

[@pinkcrocodile8479]

Also known as the student diet.

[@yodaydyxz1752]

Joey Ralph lol

[@katrinnadelfin]

True

[@todaysdad881]

Drink the ketones right into your blood stream and be in ketosis within 1 hour!

[@pinkcrocodile8479]

Abed Sarsur just a joke on how students like myself never have anything to eat.

[@VansLegacy]

Joey Ralph not true, my college friends think I’m weird and crazy for fasting for about 18 hours almost everyday. College student do not fast, yes they eat less but they drink a lot of energy drinks. In addition to coffee fill with sugars and cream, not to mention constant snacks.

[@cardorichard4148]

My best strategy for reaching ketosis, is to eat dinner by 6pm, and not eat until 12 noon the next day. It’s great because you’ll be asleep during most of the fasting period.

[@Ufu4847]

Anti 1 Training Are you sure about that?

[@alpha-cf2oi]

@@Ufu4847 thats plain wrong

[@rmkpilates]

me too

[@anti1training]

@Krats Aristo bruh that was 3 years ago. Also Ketosis isn't special

[@anti1training]

Keto doesn't actually do anything

[@villarrealmarta6103]

It also helps the individual gain more self control in all aspects of life.

[@iramghulamahmadkhan]

Agree Your are correct ❤❤🇮🇳

[@ailove313]

It's a good mental strength practice

[@pitmclord]

It’s like a muscle

[@mh-do3pe]

I've been unknowingly doing IF since high school, I'm 42 and people say I look early 30's. It helps that I'm not much of a drinker either, overall I feel the same as I did in HS able to do the same physical activities of my youth with the same vigor and enthusiasm. Genetics probably plays a part too.

[@gustavofring366]

This is goals

[@Sakura-kf4qw]

IF is the wave. It is so amazing. I do 16/8 but have also done 23/1. I have so much more clarity and feel calm. Along with losing weight!!

[@SvenPrzemyslowski]

Hey! I don't get it mathematically/ time-wisely... So. You have breakfast at 8 for example, and then? You fast for 24 hours to have another breakfast at 8 the next day? That's only one meal tho. Can you help? Please :)

[@thedogsmom]

Sven Przemyslowski Exactly. On a 23/1 fast routine you would eat at whatever time you want (lets say 6pm -6:59pm) then you don't eat again until 6pm the next day.

[@Sakura-kf4qw]

Sven Przemyslowski yes exactly what Tony said!

[@RafaSyed]

Quin Ugo what to do in that 8 hour block? I mean after what time one should eat then?

[@sinapirmeh3940]

Rafa Syed It depends on what time is conventient to you. For me personally, i have lunch at school at 1, so that’s when i break my fast. I stop eating at 5. You can start whenever you want, as long as it fits your eating window and you start again at the same time the next day.

[@ramblin_man23]

I'm down 15 lbs so far with a 20/4 IF schedule and it's calmed my anxiety and depression too 🙂

[@bmc9504]

Do you still eat normal carbs? On keto?

[@ramblin_man23]

Mitchell C half and half. I'll eat pastas and breads but less than I usually do. I cut way back on cereals and stuff. I'll have an unplanned cheat day if work brings in pizza 😁. I'm only down 16 lbs because I'm not strict with it and don't do keto but I'm happier than where I was.

[@bmc9504]

@@ramblin_man23 thanks for your reply :)

[@ramblin_man23]

You're welcome. I'm at 174 lbs now so I don't need to go all hard core with this. I very well could but I know me, I know how much I enjoy carbs and sweets. If I cut them out 100% I'll fail miserably and gain it all back. I'm trying to find that spot where I'll lose a little more body fat and still have a few carbs here and there. Hope you succeed in what you're trying to do.

[@bmc9504]

@@ramblin_man23 I completely agree with failing miserably, there's gotta be some balance. My weakness is pizza and some confectionery stuff. Also beer :).wish you the best.

[@Kattar_Hindu1986]

Finally people will understand fasting doesn’t have adverse effects on body Edit: Thank you for all the likes. I was 148 when I’ve put this up. Now sustaining at 70 kgs. At times intermittent fasting, having nutritious food helped me achieve this.

[@Elemxnt45]

Sanga Sasanka wtf I’ve never heard of any adverse effects haha

[@Kattar_Hindu1986]

Sopapilla I said doesn’t and not does. Pragmatically we are on the same page..... even I agree to the statement that fasting does no loss

[@TripleAceAAA]

ya but not having water does....lol so I know where you are going here..and no that doesn't count because you can't have water!!!!...

[@lizicadumitru9683]

TripleAceAAA Yes you can

[@TripleAceAAA]

Lizica Dumitru not with muslim fasting no

[@masschad]

Modern science re-iterating ancient knowledge

[@haykalThimawan]

Islamic knowledge

[@thetruthshallsetyoufree2040]

@@haykalThimawan you know fasting existed before Islam, right?

[@aaronlandry3934]

Mister Guy It is re-iterating ancient knowledge, because our ancient ancestors knew not to eat throughout the day, because it made them sluggish during the their daily duties. Modern science says a lot more than just helping to keep us from becoming sluggish, but it’s still ancient knowledge nonetheless. It’s just being proven with modern science.

[@andrestephenson3602]

The Bible

[@khassan2008]

@@andrestephenson3602 no

[@FinestInstinct]

Been doing IF since March, and lost 84lbs. I started 16/8 and slowly graduated to OMAD (one meal a day). I feel fantastic and I am certain I will be able to sustain this for the rest of my life!

[@unknownguy1024]

FinestInstinct one big meal ?

[@FinestInstinct]

Unknown Guy Yes.

[@joey_bonesjr3230]

@@FinestInstinct omad changed my life. I was drinking every night like 5 beers and eating all day everyday. Then i found omad and now i surf for 2 hours in the morning and then cycle for an hour in the afternoon. And i dont eat until until around 7pm. My abdominal section is completly shredded

[@AppleGuiden]

FinestInstinct Great to hear! But don’t forget to eat very nutrient food since you only eat one single meal a day, spinach, kale, fiber dense food like oats and a nice amount of protein :)

[@ps4ify330]

@@joey_bonesjr3230 do you mind me asking what meal you eat? Is it still a keto meal? I would definitely give OMAD a try

[@justnobody07.]

Fasting lets the body regenerate and fights bad viruses and illnesses of the body instead of digesting food.

[@DeepValueOptions]

Finally people are listening

[@darkmatter9487]

The One Minds Do you fast?

[@kirstenwilczynski9756]

Wow hot

[@DeepValueOptions]

Chris Martin from 2 pm to 8 pm is my eating window.. except when visiting family on holidays

[@DeepValueOptions]

Kirsten Wilczynski what’s hot?

[@kirstenwilczynski9756]

The One Minds your mind

[@minh1619]

i've fasted 16/8 and 20/4 interchangeably for a year now, and i feel lethargic and too full if i eat 3 meals a day

[@simplylife5514]

i also follow it and stay energetic thoughout the day

[@wasilaify]

Do you notice a difference between the 2 fasts?

[@s.m.3608]

minh I do 20/4 about 50% of the time. 16/8 as a lifestyle might be way to go ...

[@aaronlandry3934]

S. M. I disagree. I find 20/4 to be the best lifestyle fast. I prefer it, because the benefits are more and it’s less time consuming than eating three times a day.

[@JamesEvans-jq7fd]

What do you eat

[@christianbitar4216]

IF is the only possible way for me lose weight without starving to death. I wasn't genetically lucky, but thankfully this method excists..

[@chisomodimmegwa3479]

@SonOfOdin no eating multiple small food is starving yourself cause you'll never feel filled

[@yourlandladysson6395]

@@chisomodimmegwa3479 I agree with u. I prefer to eat all my meal once a day

[@hadinapokalix7329]

for real i cant do diets this has been the only effective way i was 220 than about in a year i dropped to 160 than i got stupid and i started to eat like my old self and went back to 216 so i said screw it and started IF again in 3 weeks i dropped 6 THIS system works guaranteed

[@yasmayyne1526]

@@hadinapokalix7329 kgs or lbs?

[@hadinapokalix7329]

@@yasmayyne1526 lbs

[@JamesExcell-InterJex]

It also kills cancer cells. For the obvious reasons, as you mentioned in the video, fat cells are burned for energy. Well, cancer cells would also fall into that category, of being burned off or pooped out.

[@nourhan5472]

Thank you for pointing that out

[@zoyo2542]

You are only 50% right, but I'm not here to argue you, I just wish you were 100% right.

[@rahman113]

@@zoyo2542 he probably meant autophagy

[@barrybbensonx5613]

ZoYo Gaming I’m here to learn, is he telling the truth about killing cancer cells or not?

[@rahman113]

@@barrybbensonx5613 that happens in autophagy, and autophagy usually starts after a 30+ hour fast, not in 18-20 hours, usually.

[@talhahashmi3222]

The Best Part is--- When U Get Used 2 It, U feel Full So Quickly While Eating😘😘😘

[@anthonybozzo6574]

They don’t even mention the best benefits 1) Being in a fasted state allows the body to autophage (clean up) senescent cells (your old cells that have accumulated junk protein products and have now stopped reproducing). Senescent cells are associated with ageing, and may be precancerous cells. Multiple studies, including a 2009 Nature review article, have looked at the association between fasting, aging and cancer. Several proteins such as SIRT1 and and HUR are known to be involved, and although the complete bio-molecular pathway is not yet identified, but current findings are promising. This is all related to the studies showing that calorie restriction (therefore fasting) reliably increases lifespan 30-50% across diverse mammalian species (rats, dogs, etc). 2) Being in a fasted state is when the recycling of old and defective mitochondria occurs. Mitochondria are your cellular power plant, there are thousands of them within each cell, and they convert glucose into ATP, the energy molecule uses by intracellular processes. Similar to senescent cells, old mitochondria have accumulated damage to their DNA as well as degraded proteins and, when defective, they produce more reactive oxygen species (ROS) than clean energy (ATP). Overall, it seems our bodies are great at clean up and healing on a cellular level when they aren’t busy breaking down food and converting it into new proteins or fats. :)

[@Billy_Herrington1969]

I've heard that Fasting can make you lose some of your muscles. Is that true ? :)

[@TheJayfunck]

@@Billy_Herrington1969 I'm responding because I just watched this video answering your question. Start at 20:30 kzbin.info/www/bejne/gn25l2aaZdekp7s

[@davidbrousseau5908]

@@Billy_Herrington1969 Not if you maintain calorie + protein intake when you are not in a fasted state. Also exercising throughout your week to maintain/ gain muscle mass. Your body will burn whatever fat you have as energy when in a fasted state, once you reach your goals you can reduce your fasted window to maintain. Ive been doing it and i have great energy/ mental clarity and im also becoming shredded. Also eating very healthy in your eating window will increase your results.

[@pranishshrestha1200]

Can i drink water in the 16 hours not eating time? Especially morning. Water time? Can i or ot affects ?

[@cronchcrunch]

@@pranishshrestha1200 You should definately drink water especially when doing intermittent fasting, you'll lose weight more easily if you aren't dehydrated. Coffee and tea is also fine, but you'll have to drink them without sugar. And no cooldrink/juice/smoothies either.

[@omahabibblemaddox2181]

Been doing keto and fasting for 6 months. I've dropped 40 lbs, from 185 to 145, and haven't felt this great since I was in my teens. I'm 30 now and am never going back to the inflammatory carbs that plagued my life. It was a roller coaster of physical aches and pains and erratic emotional states that will not be missed. I would encourage anyone to give keto and IF a try. Keto is a very demanding diet and requires a lot of maintenance but if done correctly the benefits FAR outweigh the initial minor inconveniences. If you're considering taking on a healthy lifestyle such as this I suggest you do as much reading into the subject as you can before embarking on the journey (as there is a lot of misinformation out there). Keto and fasting can change your life for the better in ways you would have never thought. What we put into our bodies as sustenance impacts our day to day lives more than we know until we change it!

[@alwaysrae1138]

I have been fasting since early 2021. I normally do a 16:8 or 18:6 fast. It has changed my life. I went from 163lbs to 119lbs in about one year. I am a 26 year old female. I workout every day, not because I feel like I have to, but because my body wants to move every single day. I am in the best shape of my life. I have abs, my arms are toned, my legs are toned, my entire body just looks completely different. Yesterday I was in a bikini for the first time in 5+ years. I feel fantastic. Fasting also allows you to really tune into your body, I totally recommend it.

[@BadThrusher]

You forgot to mention the mental clarity you get. It's very uplifting

[@LuiguiLLM]

Show us your tits then

[@Radknafeh]

I fast for Ramadan, which entails us usually fasting with no water or food for 16 hours and tbh not only do I lean out because I don’t over indulge when I break my fast but also I have a substantial amount of energy when the 14th hour hits and I have some of my best lifts

[@Ibn_Abdulaziz]

The deeds will be rewarded in accordance with their intentions on the Day of Judgement. If someone fasted with the intention of weight loss so that he/she may show off a body and their private parts on the beach which is unlawful in order to get the attention and praise from people, then that's a minor polytheism in the intention a major sin of exposing one's private parts and causing corruption in the land that may lead to zina (illegal sexual intercourse). The fasting for Allah is to attain Taqwa and a pure heart free from corrupt intentions like Ar-Riyaa' (showing off) which is the minor polytheism that invalidates the deeds on the Day of Judgement. It was narrated from Mahmoud Ibn Labeed رضى الله عنه: That the Messenger of Allah صلى الله عليه وسلم said: إِنَّ أَخْوَفَ مَا أَخَافُ عَلَيْكُمُ الشِّرْكُ الْأَصْغَرُ 'Verily, what I fear most for you, is Shirk ul-Asghar (the minor polytheism).' قَالُوا: وَمَا الشِّرْكُ الْأَصْغَرُ يَا رَسُولَ اللَّهِ؟ They said: 'And what is ash-Shirk ul-Asghar, O Messenger of Allah?' قَالَ: الرِّيَاءُ، يَقُولُ اللَّهُ عَزَّ وَجَلَّ لَهُمْ يَوْمَ الْقِيَامَةِ: إِذَا جُزِيَ النَّاسُ بِأَعْمَالِهِمْ He said: 'Ar-Riyaa' (showing off). Allah عَزَّ وَجَلَّ will say to them on the Day of Judgement, when the mankind are recompensed for their deeds: اذْهَبُوا إِلَى الَّذِينَ كُنْتُمْ تُرَاءُونَ فِي الدُّنْيَا فَانْظُرُوا هَلْ تَجِدُونَ عِنْدَهُمْ جَزَاءً 'Go to those whom you used to show off your deeds to in the worldly life, then see, can you find any reward with them?'" [Musnad Imam Ahmad » Hadith Mahmoud Ibn Labeed » # 23630 » And Al-Albaani رحمه الله declared it Saheeh (authentic) in as-Silsilah as-Saheehah no. 951]

[@Amy.Scorpio]

Walk in nature daily while still in a fasted state is also a game changer- this is part of my lifestyle and it's healing in so many ways. Come to think of it, it kind of resembles our ancestors starting their days by walking and foraging for food...

[@joelhansen8001]

Interesting point of view. I never thought of it like this. I rise a little before the sun in order to catch the sunrise and walk the dog (he's foraging for sure). Thanks for sharing perspective.

[@esmailiyou]

Finally, after all the none understandable boring long videos on this subject, this one is short, effective and gave all that I needed to know. Thanks very much!

[@ffhetqmrgtw]

Short and on point. Thank you!

[@AlchemicalForge91]

I can go 2 days without eating and feel more energy as time passes.. It always baffled me. I feel best when i fast often.

[@hunteranubis]

yea Ive seen a fat dude do it.... by the end of the month he was skinny but hard part is actualy to keep yourself from eating mainly becose humans got used to eating often

[@jumesbond3006]

U gud bro? Do you hate food?

[@TravelersParadise]

My mom fasted for 10 days which was insane!

[@TripleAceAAA]

yea because your body is going under immense stress and releases stress relieving chemicals to take it away..just doesn't tfeel right to make your body do that ...if you ask me

[@mikelsales3599]

Joe Urban I️ mean that’s cool and all but personally I️ don’t think it’s necessary to fast longer than 24 hours but to each it’s own

[@justfruitchannel]

Fasting is a whole other world changes lives. Really informative thank you!

[@FilthyCasual272]

Thank you for the break down. I looked into this because I've been interested in water fasting and intermittent fasting so i naturally became curious of the general duration I should do either before i start feeling and seeing the results of the fast. This offered quite a bit of clarity, thanks again.

[@eldiablo1976lee]

Dropped almost 40 lbs and holding nicely. changed my life

[@xoxluckycharmsx]

how long did it take you to drop 40?

[@eldiablo1976lee]

@@xoxluckycharmsx I was losing about 6-8lbs a month.

[@freezecheeze]

I'm 37 weeks pregnant with my first baby, and I have an 8 year history of a battle with bulimia. I was already recovered for more than a year when I fell pregnant, but you can understand I was terrified of pregnancy weight gain and my body changes and how my mind was going to cope with it all. I have fasted majority of my pregnancy and have only gained 7kg/15lbs and I started at a healthy weight, so I'm really happy with that. I doubt I'll have much to lose at all - and baby is healthy as can be and measures and weighs as he should. Even my doctor said to me "It's so much easier when you don't gain a lot of weight, isn't it?" I eat 2000 calories and day and almost daily 40 minute walks on top :).

[@mariadjafri7165]

As a muslim , allah ordered us to fast for a month ( ramadan ) and that has huge benefits ^-^

[@edboss36]

Will it stunt my growth?

[@fhsh531]

@@edboss36 nope.It will even boost your growth

[@edboss36]

Sadman OP wait really?do you know how I’m interested

[@Adam-rj9wz]

maria marimar not only muslims. Catholics fast throughout lent. Also gluttony is a sin

[@mariadjafri7165]

@@edboss36 if u're interested ask whatever u want

[@reginalynnbush]

Been doing a 19/5 - 22/2 for about a month and a half now and am down 10 lbs. Its wonderful!

[@zuhaibkhan3694]

I literally lost 15kg in the span of 18 months and intermittent fasting was a key trigger. I still do intermittent fast as 16:8 method and loving it every day as it helps promote productivity for me.

[@jhalcricket2376]

Do u eat healthy bcz losing 15 kg in 18 months is too less most people lose 15 kg in 3,4 months

[@jangabrielreyes4754]

What time do you break the fast ?

[@zuhaibkhan3694]

@@jhalcricket2376 I am not very strict with my diet hahaha

[@zuhaibkhan3694]

@@jangabrielreyes4754 I usually stop eating at 7pm and won’t eat until next day 2pm no breakfast for me. Just water and black coffee.

[@junglegymbali5136]

i do it since 8 months. the start was hard.but after weeks its getting normal to be hungry during doing calisthenics on the beach)im mental much stronger as befor! just love it💞

[@burry218]

16 Hours into my Intermittent Fasting and I look like Hugh Jackman. Thanks, Tech Insider.

[@eate7721]

don't become hulk

[@esentinoshits]

after 4 months of 4-20 intermittent fasting, i lose 24kgs, my blood pressure goes normal. my wounds now healing normally(i have wound for more than a year now healed),anxiety and depression i can overcome now, i don't get dizzy anymore when doing small things, i dont have sudden hunger that shaken my knees and all over my lower body(idk what is that its like something suck my strength from nowhere). i have more "Focus" now(this is something real for those who havent in IF yet), after 2 months IF i can cope on that "Hangry" thing(it feels normal now that i eat only in my eating period, the 4 hrs a day).... after i go IF, it feels like i want to live more after all the mishap and sad things happened to us with my family including this pandemic period..

[@paulclalchungnunga2052]

Very informative . Whole lotta thanks for the post tbh !

[@natedawg3855]

I’ve been doing the 16:8 fasting for 3 weeks now and I’ve lost 12 1/2 pounds. Currently at 290 pounds, my goal is to get to 235… I love intermittent fasting!

[@gaylynnsamson5569]

What foods do u eat

[@surfninja8728]

HECK YEAH! I just started fasting and i feel great, my body is getting more lean and my body fat is getting low. I hit the gym 5 times a week so that helps too!

[@blatherskype25]

IF for two years now. Changed my life. Less tired, more alert and more chiseled.

[@mziqbal2003]

Thank you for sharing valuable information.

[@Southmuzik81]

Glad I already eat like this lol

[@G_G_G_G_]

Same and I wasn't even aware of the benefits :)

[@gfleming5136]

Yes, me too! I try to do 22/2 but occasionally relax a bit and do 18/6. I love it. I am in control of food, not the other way around. NO MORE CRAVINGS!

[@bowens9211]

COD4LIFE if you do then you must be tall Are you at least 6 ft?

[@Southmuzik81]

Bowens92 On the dot

[@isheanesumasaka282]

I do this too, I thought it was a problem but hey ho it's a blessing. Thank you God

[@WhiteChocolate444]

I love this video! So short and so informative! Great work!

[@doceb7538]

Made my day... thanks a lot for such a free,precious information.

[@dizkoteck]

What I've Learned:" I've been saying this for years"

[@RomanBehroz]

Fasting everyday for a month Ramadan Mubarak ❤️ Feeling so healthy

[@TheRiguyy]

Go workout if you wanna be healthy. Y’all think not eating makes you an athlete lmfao

[@nasrullahmiddya3797]

@@TheRiguyy u think workout makes u an athlete lmfao

[@TheRiguyy]

Nasrullah Middya no I don’t think working out makes you an athlete. I think being an athlete makes you an athlete. I think working out however will make you more athletic than not lifting or exercising but not eating lmfao. Everyone just wants an easy way to lose fat don’t want to put in the work.

[@prakashkelgeri4239]

Fasting helps to regenerate 1.pancreatic cell 2.Rise in BDNF -brain derived neurotropic factor . 3.c relative protein becomes lower, so reduce inflammation. 4.Autophagy ,self eating of damaged cells. So repair work of mitochondria , which becomes healthy. And many more benefits.

[@TheRiguyy]

Prakash Kelgeri you a doctor?

[@MTran0708]

I've been doing this everyday since high school as I dont feel hungry until later in the evening. Never knew there was a name for it.

[@zephyreli6974]

The best KZbin channel ever. It makes me love science more and more. Thank you

[@afghanistantechnology3833]

This science was already excited 1441 years befor

[@Sami_m_a]

I tried it for 2 months and it works I lost a lot of fat without exercising it's amazing

[@FoxSensei]

And what did you eat?

[@Sami_m_a]

Keith B444 Thanks

[@Sami_m_a]

Zak I continued to eat what I usually eat for lunch and dinner and stopped the junk food, fast food and chocolates but I still ate these things from time to time. I'm doing intermittent fasting again this time eating two meals breakfast and lunch in a 8 or 6 hour time space then I fast for the rest of the time. My issue with dieting was I could never eat less food I eat a lot so having six small meals in a day failed but with intermittent fasting it's either food or no food at all, in my two meals I eat as much as I want which satisfies me enough to not eat anything for 16 to 18 hours.

[@Sami_m_a]

Keith B444 What do you do now? how do you manage your weight?

[@Sami_m_a]

Keith B444 I stopped intermittent fasting for a year and gained a lot of weight. I started fasting a week ago and already lost 1.5kg around 3lbs I think.

[@amiracle1269]

ALTERNATE DAY FASTER HERE!!! 36:12 I FEEL AMAZING. I ENJOY THE MENTAL HIGH, THE NATURAL HIGH. EVERYTHING HAS IMPROVED...EVERYTHING.....READER....YOU...CAN..DO IT!💪🏾👊🏿

[@Proxima04]

Clear and concise information, thanks TI, Some important facts to re confirm but very very interesting.

[@saoirsesheridan8248]

Wow what a super explanation glad I am on IF myself!

[@striker1055]

tried 16-8 intermittent fasting...worked really well..lost weight and felt more active.

[@TheAmericanAmerican]

Kinda makes a lot of sense when you stop and think about how our ancient ancestors lived as hunters. They would wake up in the morning and have to go out into the wilderness to hunt for food which could take hours, if not all day, to find pray/food. This activity was a daily intense workout for survival. Then they would eat and eat until it was dark/bedtime. Everyday the same thing for hundreds of thousands of years. Then it was only in the last 10,000 years that we started farming and storing food, gradually getting less and less active compared to our hunter/gatherer ancestors as the centuries went by. And now we are here today with “unlimited” food available to us 24/7 365 days a year, with hardly any kind of physical activity in our daily routine and we wonder why first world countries are so damn fat!!!

[@raymondbridgeforth652]

My Stupid Opinion make sense and people got so much food in front of them that it hard not to eat it

[@33tek25]

My Stupid Opinion I was just thinking this whilst watching

[@hazyhope._.]

*prey

[@hazyhope._.]

*an

[@SmouthPole]

That was exactly my thinking before I started 👍🏾

[@JoesFitness101]

I've been fasting for over 35 years from 2 meals a day to 21 days drinking only water. As I get older, I found it quite rewarding to get my memory sharp and I just keep retaining vital information. I became a firefighter at 51 years old...!!

[@user-tl2cs6wv8b]

Brilliant video!

[@mrtruji1]

Hey Tech Insider, Great video. You mentioned that "Ketogenic diets can increase ketones 4-fold whereas fasting has been shown to increase ketones by up to 20-fold" and you showed a graph. Would you mind providing a citation for that finding?

[@ariftahir5396]

I've been doing it for over a month today and have lost a stone in weight, it definitely works! Thanks for the avocado tip :)

[@LMfromBakutoUK]

Have you been doing 16:8?

[@dwightj.7895]

Great info keep up the good work Thank you

[@rickj895]

great vid

[@wheels-and-legman1057]

I lost 40lbs in 3 months just eating low calorie food every 24 hours and I use to hate the feeling of a empty stomach but now I embrace hunger. I have to say its not for everyone you have to get use to not eating and feeling hungry but give it a month or two you will be able to handle it.

[@briansworld007]

I learned about this from Dr. Berg

[@kjay5452]

I've learnt so much from Dr Berg my self. The guy has videos on every topic. Also check out Dr Sam Robbins, he's pretty good too!

[@harshdariyabadi5979]

Same bro.

[@aa33366]

Dr Berg is not a real doctor. Chiropractor is not a doctor. Jason Fung is the real deal

[@lelechim]

Short but very informative!

[@shrutisaxena9860]

The best video I've seen on the topic. Please make it longer and more comprehensive. Thank you.

[@thewellnesstheory]

Hi Shruti, you may also check our video on “The Body Doesn't Lie - Raise Your Awareness” at kzbin.info/www/bejne/bpbKeo2lfpiZedk In this episode, we deep dive into raising your awareness of how the body is a direct reflection of your innermost feelings, thoughts, and the truest expression of your life in this form. The body serves as the gateway into the mind, heart, and soul. Find out how in this episode. Hope you find this video helpful.

[@Notezl]

I have followed this for about 1 year now and have never gained even 100 grams of weight despite not exercising and having around 5 cheat meals a week. And when I started cardio every day along with this I found it much easier to loose stubborn weight compared to previous attempts. I'm looking at a progress of loosing 1kg per week. It really helps. Go for it.

[@DimaEl-Qasem]

What exactly do you do? How long are your fasts? And if you don’t mind sharing a brief overview of what your diet looks like that would be super helpful!

[@uzairarshad4231]

Been IF for two weeks now, and I have unlocked the ability of flight

[@ayzc4164]

I was given a lot of anti-depressants. And those affected my memory so bad. I started IF fasting and my memory is practically back to normal now. I had the memory of a goldfish but now I remember things that happened prior and happened recently. I finally feel normal and not lost or confused. And being sedentary, I have lost 30 pounds in 4 months with IF

[@CommonerSam]

Wow I've been doing this without realising. Feels pretty natural to me.

[@alichowdhury6790]

Following ketogenic diet for almost 6 months and doing IF for two months..... result is absolutely amazing. Lost 16 kg, high blood sugar problem vanished, overall health increased a great deal!! This thing really works friend...give it a shot!!

[@bored_potato]

I've been practicing this since the seventh grade

[@vanessalopez9015]

Been doing IF/OMAD for about a month and a half and I have lost almost 20lbs. It really works guys. And you feel so much better. I also have more energy then when I ate a few times a day. It's to the point now where everyone can be eating McDonald's or sweets next to me and I don't think twice about it!

[@DantesAwakening]

All true. Changed my life completely. IF Forever!

[@ethanrangel6522]

The only mental affect....you're always thinking of your next meal

[@mobstemofficial943]

When you adapt you body to burning fats as fuel you wont have that issues . i suggest eating lots of protien and healthy fats snd getting rid of sugar. I wouldn't even bother with calories eat until your satisfied that is my protocol eating once a day and doing this is easier.

[@BalaKrishna-bq5iz]

Couldn't be any farther from truth. Ironically, the more you eat, especially carbs which is what we way anyway, the more you think about the next meal. Refer to how blood sugars and insulin works.

[@PeterHealthyLifestyle]

Ethan Rangel not really

[@LuisRodriguez-li7wr]

I just love food even when I'm not hungry I'm thinking about eating I eat 2 times a day breakfast and dinner but once a month I go on a one-day all you can eat and stuff myself till I can't eat no more I go to all my favorite restaurants and I keep eating until 11 at night and then I get back to fasting

[@DarkmanXSincere]

@@LuisRodriguez-li7wr lol fun

[@HASSANTAHIR]

Thats why muslims have Ramadan in which thay stay hungry for 15-18hours .. Ramadan Karim ♥️

[@sorenfreedom]

HASSAN TAHIR and they don’t drink water that makes them prone to all sort of diseases Nice try

[@zs3671]

Soren Dry fasting is 3 times more effective than water fasting. Stop being a hateful idiot and start losing some weight. Obesity is making you too stupid. #dumbass

[@youtubeuser8636]

@@sorenfreedom not so nice try..

[@PrincessAshley12]

I hate all religions, but Yom Kippur (Judaism) and Ramadan (Islam) where you do dry fasting is pretty neat tbh, ngl.

[@johnconnor1737]

Honestly 15 hours is nothing I do that every single day. I eat one big meal before I go to bed and I feel great doing so. Eating all the time makes me feel tired

[@sevenhenrys]

Great video

[@padmapriya186]

Well explained!

[@mobstemofficial943]

Its great i been eating once a day and low carb ❤ went from 400 to 260 😇its great. I fast for 24 hours and eat for 20 to 30 minutes 💪

[@el1te1984]

Good job, keep up the great work! I lost over 50 lbs and got off all my steroids for skin problems!

[@mobstemofficial943]

@@el1te1984 awe great 😊☺kerp it up ❤

[@christianleone1770]

Ive been doing this for 2 weeks and I went from 186lbs to 179lbs. Goal is 170lb then to build up more lean mass. Plus I feel 10x better throughout the day

[@awilliams1091]

What is your eating window?

[@ILL21]

Good info thanks for the knowledge

[@veraslifestylewereld]

Clear info on intermittent fasting! Compliments :-)

[@onnieman1]

One Meal A Day, OMAD, the way to go.. combined with a keyogenic diet... working for me. lost 15 kg in 4 weeks

[@thomasd2796]

Onno Jan congrats man! I've done the same and lost over 40kg in total to date ☺

[@markekar6021]

Omad is a bit tough for normal ppl. Getting in 1200-2000 calories in a single meal is something most have to work up to. I wouldn't say it works for everybody, but if u can fit it, great. I have family who's work schedules simply don't allow these types of things.

[@cheesenutz3854]

Do you exercise?

[@markekar6021]

@Coder boi don't be discouraged. Different body types

[@diogeneslantern18]

@SonOfOdin I've done OMAD for 15 years my dudie.

[@dylonstrange2036]

Great video and explained very well 😊 slowly cutting a lot of the crap out of your diet is good too as fasting doesn’t mean you can eat what you want, it’s a lifestyle change that you should take time to go into instead of just jumping into and you’ll see even more benefits over time. I jumped straight in and stressed myself out but now I can do intermittent dry fasting and see even more beneficial results 😊 the less toxins are in the body the less water you need too but I’m not saying don’t drink water or a little amount. You’ll still need at least half a litre a day MINIMUM, unless you eat loads of water based fruits.

[@mrwill1779]

I've just started intermittent fasting, starting at 8pm and break my fast at 10 am the next day ...I currently am feeling so energetic

[@TorBoy9]

Excellent summary of some of the benefits of intermittent fasting. To lose weight the healthy way you need to burn fat. To lose weight the unhealthy way is to lose muscle.

[@cliffbartram4974]

I started intermittent fasting 3 months ago, have lost 8kgs of fat and feel great, weird thing is I'm not super hungry either.

[@socksboii3848]

Same buddy, I also started intermittent fasting for the last two and a half months and I lost 9kg.

[@aprae7698]

IT genuinely saved me lol. When on my previous diet I thought my metabolism was completely broken. Turns out I completely underestimated the amount of cals I was eating. Now I fast for abt 19-22 hours from 14:00 to 12:00 the next day, which pretty much lets me eat whatever I want as an Omad n I’m losing abt a pound to a kilo per week. Fast gang ough ough

[@aprae7698]

Btw tho like still count calories cause you can seriously undo all ur work if youre eating pure filth.

[@gibbs8844]

Thanks for this info..

[@micro_my_blood]

Dang, I so needed to know this!

[@DaPoopIsInDaPudding]

Micro My Blood don’t need the word so to describe everything.

[@leftie75]

I think coffee is great for curbing the appetite during the morning fast. I use to really, really love breakfast first thing in the morning. It took a little while to adjust but now I'm a huge advocate of 16/8 intermittent fasting.

[@peterkropotkin1158]

It depends on your genetics, I know for me caffeine would make it worse because it raises my cortisol levels which leads to an insulin spike

[@BenKey4]

I used to always eat breakfast every morning because I thought it was ‘the most important meal of the day’. Now, I never eat before noon (unless I’m on vacation or it’s a special occasion). I wake up feeling light and full of energy. It’s amazing. And on rare occasions when I do eat breakfast, I feel bloated and sluggish all day. Feet feel heavy and everything. Unless you have a medical issue that requires you to eat in the morning, I recommend IF. It completely changed my life. I tried soooo hard to lose weight for so long and just could not do it. Once I got into this Only eating from noon-8 pm routine, I dropped 15-20 pounds so quickly. Basically, what I’m trying to say is, Breakfast is extremely overrated.

[@khalilzubari840]

Muslums fasting 1 month in ramadan and usally in other days. Amaizing

[@Ceelxaar]

Watching this while fasting in Ramadan. For the last 48 hours I have fasted 17 hours each day, meaning I fasted 34 hours

[@waaagh3203]

18 hours is my minimum for fasting. It changes during the week from 18-26 hours depending on the day.

[@1810jeff]

This is actually one of the best ways to lose weight since you are actively burning fat while doing nothing as long as you follow the 8-10 hours in between without eating

[@crossbowcarrol4408]

ive been doing 23/1 strict and it was incredible how much weight i lost and gained muscle (with working out) best decision i made

[@crypt0caveman14]

thank you for the info

[@DanCroitor]

Intermittent fasting works as long as It supplements a healthy eating habbit. Cutting corners on meals and their content will most likely end in a shortcircuit.

[@himanshu5205]

One of my relative used this method for many years from a very early age. Now he is 47 but he looks 10 yr younger. He don't eat on Tuesday. He just drink water. He is very successful in his career too so final conclusion. It works.

[@jorgemunoz4986]

You make it seem so easy, your body doesn’t go in ketosis immediately. It takes a while

[@brodietoadie]

That was amazing

[@Pretty_Boy_Proud_Fil-Am]

Fasting made me look younger and leaner.