Does Intermittent Fasting Cause Eating Disorders? | Jason Fung

Does Intermittent Fasting Cause Eating Disorders? | Jason Fung

🍽️ Unveiling the Truth: Does Intermittent Fasting Impact Eating Disorders? 🧠
In this thought-provoking video, we address the critical question of whether intermittent fasting influences eating disorders, exploring vital insights:

🧡 Anorexia Nervosa and Bulimia: Understand the two major eating disorders and their characteristics.
🌅 Fasting: Examine the practice of fasting and its potential connection to disordered eating.
💭 The Psychological Consequences of Weight Gain Prevention: Discover the psychological impacts of avoiding weight gain through fasting.
🤔 Conclusion: Weigh the evidence and draw conclusions about the relationship between intermittent fasting and eating disorders.
🍔 Effects of Acute Food Deprivation: Explore how short-term food deprivation can influence eating behaviors.
⏳ Effects of Acute Fasting: Understand the potential effects of acute fasting on psychological and physiological aspects.
📅 Short-Term Fasting Promote Pathological Eating Patterns: Delve into whether short-term fasting can promote unhealthy eating patterns.

Join us in this important discussion about the potential links between intermittent fasting and eating disorders. Hit the like button 👍, subscribe for more informative content, and ring the notification bell 🔔 to stay informed!

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▶️ Timestamps / Chapters
0:00 Intro
0:15 Anorexia Nervosa
0:45 Bulimia
1:10 What is Fasting?
2:52 The psychological consequences of weight gain prevention
3:24 Conclusion
4:13 Effects of Acute Food Deprivation
4:47 Conclusion
5:25 Effects of Acute Fasting
6:04 Conclusion
6:59 Does Short-Term Fasting promote pathological eating patterns?
8:08 Conclusions
11:37 Outro
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[cinystarr]

I've had Buli. on & off since a teenager when a friend taught me how to get rid of junk food we ate . . I'm still phat fobic and can't handle letting it make me huge. I also workout regularly at the gym. For me, eating only twice a day curbs ALOT more binging than I'd regularly do because I don't want the insulin surges constantly. IF is very helpful for me

[CordulaPrice]

Thank you 😊 I’m 71.5 years young and just did 21 days off 1 meal a day I lost 13 pounds and feel great 😊 thank you Dr. Fung👍🏻👍🏻

[Jgfvids]

It’s weird how people who say fasting is dangerous, also have nothing to say about mainstream options like bariatric surgery; which have a reasonably high failure and death rate. No one wants to talk about that though cos it will hurt the narrative. I’d much rather bet on myself and take my chances with intermittent or prolonged fasting, which i have done.. 80lb down now in 2 months, and I’m just getting started.. Watch this space! 😎

[silvergoddess]

IF has changed my life, I lost 25 lbs and reached my goal weight. I did OMAD and now I do 20/4 or 16/ 8 with a sensible feast day on Sunday. IF is a lifestyle not a diet. Thank you Dr. Fung 🥰🥰🥰

[mrelcordero]

Anytime I feel like Im struggling during my fast I come here and watch lots of your stuff man, you're really helping me.Thank you

[beauseve]

After decades of ED (bulimnia) fasting has healed me. I found that controlling when I eat and not what I eat and having a short eating window is what I needed all my life. After 130+ pounds lost I keep my fasting lifestyle with freestyle days here and there and food has become my friend. I owe you and a few other proponents of fasting literally my life. Thank you!

[lesswillmorepower]

As someone who has been a bulimic for 31 years and Overcame the disorder, , I have to say that IF has been invaluable for curbing the compulsion to binge eat. This is not only true for me, but for 100s of people I have helped overcome binge eating as well. IF s not the end all and be all by any means. Many other methods are used as well and IF is not right for all binge eaters. But for me and many others, balancing insulin levels seems very important to preventing binge episodes.

[taiy]

I struggled a lot with eating disorders when I was a teenager and after recovering I tried fasting. It started just with wanting to be healthier but I got more and more obsessed and the fasts became longer and longer. I based my self worth on how long I could fast and I had so many cravings and ended up binge eating after. I realised that the fastibg had stopped being healthy for me and went back to normal eating. Two years later I got back into wanting to be healthier and tried fasting again, the exact same thing happened. I think fasting works for some people but if you're prone to eating disorders I would be careful. This is just my experience 🙁 I still only eat two meals a day now but that's just out of routine and how I've always preferred. I know if I start properly timing my fasts again I'll end up in the same situation

[judypomicter]

I had an over eating problem prior to trying fasting. This truly helped me become in tune with my bodies real needs. It even helped me stop emotional eating. It was very healing for me and I have never had such a good relationship with food. I see food as nutrients and not pleasure now.

[arroyobaby]

I was Anorexic when I was 14 and again in my early 20's. Today I'm in my mid 50's and fast anywhere from 12 -15 hours a day. Sometimes if I can't do it then I don't. Not a big deal. I fast only for health reasons. I never fear becoming Anorexic again because I remember the hell I went thru with my body when I was younger and learned from that. Lord knows I don't want to go thru that crap again.

[maricelg]

Good Morning & Happy Sunday, Dr. Fung and to everyone watching . Stay happy, healthy, wealthy & wise. Take care. See you next Sunday 🌸🤍🎀😊☀️

[fadge]

I've been eating omad for years now. When COVID hit, I didn't stop omad but I wasn't eating properly at all. I'm talking a whole takeaway pizza with a bottle of coke and two sides. Every day. Needless to say, I put on an excessive amount of weight. At the end of it, I was the heaviest I've been in my life (115 kg). I've changed my one meal to a keto style since the beginning of the new year. I've already lost 6 kg in weight.

[src]

Im a guy, who was, anorexic in highschool and through college.
I starter fasting 5 or 6 years ago and havent had any issues with ED. Im also on psych meds so maybe that is why.
Im in the best shape of my life doing IF 👍🏻🙏🏼🤟

[weightoawesome]

I have an eating disorder currently. Its how I got in this situation to begin with! I am using fasting to fix my addiction...my disorder. I'm documenting it all in case anyone wants to follow my progress!

[ThePrimal.Podcast]

Dr Fung you are an incredible teacher!!!❤️ Intermittent fasting has changed the way I eat. I never really had an eating disorder but I used to count calories and restrict what I was eating.

I find fasting I'm conscious of what I eat but it's more freedom to eat until I'm satisfied as I only have 1.5 meals a day.🤓🤣

[LTPottenger]

Anorexics are universally phat phobic.
Some of the many benefits of fasting and low carb diet on the immune system, blood pressure, blood sugar and anti-aging, all backed up by clinical data:
Thymus stem cells are regenerated, which suppresses aging and renews the immune system.
Fasting stimulates phagocytosis, the ingestion of bacteria and viruses by the immune system.
Blood pressure is quickly and dramatically lowered, which is very important for a good outcome with the current pandemic.
Fasting increases nitric oxide, which has manifold postive effects like reducing arterial plaque.
Weght loss from fasting only loses10% lean tissue and 90% fat compared to the typical 25% lean tissue and 75% fat lost when calorically restricting for long periods.
Blood clotting is reduced and blood clots and arterial plaque are reabsorbed into the body.
Vitamin D plasma levels are increased, and vitamin D in turn increases autophagy!
Blood sugar and insulin are lowered, allowing white blood cells to move more freely throughout the body and do their job. Ideal blood sugar is around 80. Some viruses activate glycolosis (the release of sugar in the body) and clinically it has been shown that decreasing glucose metabolism in the body weakens the influenza virus.

The hormone Leptin is an immunomodulator that keeps the body from attacking itself and obesity causes leptin resistance. Fasting very quickly reduces leptin resistance and leptin levels and one day of fasting can cut your leptin levels in half and gets your immune system working properly again!

When you move out of MTOR your body shuts down the building blocks of the cell which are used to produce organelles and proteins. This means the mechanisms needed by viruses to replicate are by and large unavailable when you are in a deeply fasted state.

It stimulates the AMPK complex and activates autophagy. Autophagy (literally self eating) will cause cells to recycle foreign matter such as viruses and kill cancerous and senescent cells. AMPK does many helpful things in the body including activating the body's antioxidant defenses.

Deep ketosis virtually eliminates chronic inflammation in the body. This can offset the life threatening symptoms of viral pneumonia which effectively kills you through inflammation. This also creates BHB ketones in your body, which also help your immune system and anti-oxidative system, especially in the brain. Ketones also provide an additional energy source during infection, which is critical when trying to fight off a bug. In fact you can have as much as three times the total energy available in your blood when you are in deep ketosis, or even more.

It increases mitochondrial function and repairs mitichondrial DNA, leading to improved ATP production and oxygen efficiency and thereby making cells better able to fight off infection. Increased mitochondrial function also has the added benefit of increasing your metabolism and cancer prevention!

Your body releases interferon which is also triggered by the body during viral attacks to shut down the replication ability of the surrounding cells and stop infections.

After 72 hours or more fasted, your body actually recycles large numbers of immune bodies and creates new ones, rejuvenating your entire system.

When you fast, this stimulates apoptosis in senescent or genetically damaged cells. This kills these cells off completely. Senescent cells are responsible for the effects of aging and are the root cause of the development of cancer. If it were possible to destroy them all it would completely stop aging and cancer. That is not possible but fasting can help limit these effects by killing off many of the affected cells and limiting the future effects of aging.

Fasting also releases BDNF and NGF in the blood which stimulates new nerve and brain cell growth, helping a great deal with diseases like MS, peripheral neuropathy and Alzheimers.

In fact, the biochemical precursor to BDNF is beta-hydroxybutyrate, which is the same ketone the body produces to nourish the brain while fasting.

Autophagy induced by fasting even helps hair regrow.

Dieters losing weight through intermittent fasting show greater reduction in waist size and increase in insulin sensitivity for the same weight lost and alternate day fasters were shown to lose fat while gaining muscle at the same time over a six month period.

Fasting has been shown to increase bone marrow volume by 10% and levels of carnosine in the body in as little as a few weeks.

Fasting also increases telomere length, negating some of the effects of aging at a cellular level.

Eating one meal a day can bring most of these benefits to a lesser degree, and adding a few entire days off from eating per week will have even more effect especially when starting to feel poorly.

Exogenous ketones can aid with fasting, making it easier in healthy people and allowing some people with specific issues to fast in spite of them without worrying as much about hypoglycemia.

Children, pregnant or nursing women should not fast for periods longer than 16 hours. People with pancreatic tumors or hypoglycemia generally cannot fast at all. Type 1 diabetics can also fast but it is more complicated and should be approached with caution. Those with Addison's disease may also be unable to fast without liberal use of exogenous ketones, depending on severity. If you experience extreme symptoms of some kind, especially dizziness then simply break the fast and seek advice.

Resources:


This list compiled over months of research by the user known as Pottenger's Human on youtube but feel free to copy and paste this anywhere you like, no accreditation needed!

[LaceyLace_]

Dr. Fung, thank you for gifting us with your knowledge and expertise in this. I always look forward to your videos. Thanks for sharing this with us!

[Natty_kitty]

I have a history of eating disorders and was on the 5+2 fasting regimen an few years ago. I can confirm that this type of fasting significantly worsened binge eating for me. I am now on the 18 + 4 fasting regimen and doing well so far.

[colo]

NO. I don't think so because I have been doing OMAD for more than a year. I.F. actually help me stop looking for food to eat.

[louisegraham]

This is what I’ve been wondering for years after my time working in a Eating Disorder Unit, no definitive proof then, glad to hear this now. Many thanks!