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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

to think some people overreact about fasting?

85 replies

HazelMember · 17/04/2026 11:15

I was listening to Dr Rangan Chatterjee’s podcast and he mentioned a few times that whenever he talks about fasting, there is always a bit of a backlash.

He does say quite clearly that it is not for everyone, and that people should do what works for them, but apparently every time he brings it up there is still a pushback and people getting quite upset about it. He didn't go into the reasons why people are reacting this way.

There is a lot of research now supporting the benefits of fasting. Many people of different faiths have been fasting for years so there is good evidence it is beneficial.

Obviously there are exceptions and it will not be suitable for everyone but that is true of most health approaches.

It just made me wonder why it seems to trigger such a strong reaction. No one is being forced to do it and he is not presenting it as a one size fits all solution.

I wonder whether people are getting offended as it may be a willpower issue.

AIBU to think the reaction is a bit over the top?

OP posts:
zantez · 17/04/2026 12:45

I do the "window" eating method which I prefer to call it over "intermittent fasting". Same thing though, and it's great for me, the discipline works and it becomes a habit. Stops me from raiding the choccy box/snack box at night. Win win. It's not for weight loss at all, but it does tend to keep things even most of the time. It's not at all hard to do either IMV.

Deadleaves77 · 17/04/2026 12:56

If he's talking about intermittent fasting, eating within a 12hr or 8 hr window that's not controversial and is a fairly normal way of eating, it's probably how most people would naturally eat if we didn't have to work

If we're talking about proper fasting as in going days without food or eating one meal then tgats a different matter. As someone with a history of disordered eating, I have never once felt good when going longer periods without eating. Ots only the buzz of self satisfaction that has powered me through

I think any major strict rules about eating that impact with day to day living are almost always disordered. People talking about needing huge amounts of willpower to follow a diet are again almost always disordered. Pushing proper fasting will lead to EDs, because naturally those are also the type of people that consume content from people like Dr Chatterjee and having a medic back up your starvation methods is great fuel for ED.

PoliteButRuinous · 17/04/2026 13:03

GoldenCupsatHarvestTime · 17/04/2026 12:36

Because the question is why do people react badly to fasting not does it help with weight loss/stabilisation…

anorexics also think their tactics ‘work for them’ fyi.

Edited

Ok I just looked him up as I was curious and apparently:

"Dr. Rangan Chatterjee advocates for "time-restricted eating" rather than extreme fasting, recommending a gentle approach to boost metabolic health, improve sleep, and increase energy. He often suggests a 12-hour eating window (e.g., 8 am to 8 pm) for beginners, focusing on quality, whole foods and allowing the body to repair during overnight fasting"

Therefore he does advocate for intermittent fasting so I am not sure why you seem to think my comment wasnt relevant

TittyGajillions · 17/04/2026 13:06

PoliteButRuinous · 17/04/2026 13:03

Ok I just looked him up as I was curious and apparently:

"Dr. Rangan Chatterjee advocates for "time-restricted eating" rather than extreme fasting, recommending a gentle approach to boost metabolic health, improve sleep, and increase energy. He often suggests a 12-hour eating window (e.g., 8 am to 8 pm) for beginners, focusing on quality, whole foods and allowing the body to repair during overnight fasting"

Therefore he does advocate for intermittent fasting so I am not sure why you seem to think my comment wasnt relevant

Edited

Also shoehorning in a little dig about anorexics!

GoldenCupsatHarvestTime · 17/04/2026 13:07

PoliteButRuinous · 17/04/2026 13:03

Ok I just looked him up as I was curious and apparently:

"Dr. Rangan Chatterjee advocates for "time-restricted eating" rather than extreme fasting, recommending a gentle approach to boost metabolic health, improve sleep, and increase energy. He often suggests a 12-hour eating window (e.g., 8 am to 8 pm) for beginners, focusing on quality, whole foods and allowing the body to repair during overnight fasting"

Therefore he does advocate for intermittent fasting so I am not sure why you seem to think my comment wasnt relevant

Edited

Well ok then. I apologise. I personally believe that our differentiation in definition of fasting is probably exactly why people take issue with him. They likely think like me… think that fasting means a day+ without eating. Not everyone will listen to his whole explanation- many will simply react to the word, idea or sound bite.

I don’t know why anyone would care that someone confines their eating to an 8 hour window. It’s not particularly extreme.

Holtome · 17/04/2026 13:08

nunamenuyear · 17/04/2026 11:20

I don’t care if people fast or not but those who do often seem a bit smug about it.

Yes that. It's not the fasting that upsets people it's that people can be so evangelical about it.

I don't care what or when you eat, but if you're going to keep telling me why your way is the best way, I'll give my POV.

intrepidpanda · 17/04/2026 13:11

Ablondiebutagoody · 17/04/2026 11:29

I think that greedy people just can't get their heads around it

As a greedy fatty, I fast 16hr a day.

GoldenCupsatHarvestTime · 17/04/2026 13:14

TittyGajillions · 17/04/2026 13:06

Also shoehorning in a little dig about anorexics!

How was it a dig?

Ponoka7 · 17/04/2026 13:14

HazelMember · 17/04/2026 11:53

There may be some truth in this!

There's some truth in people who think it's normal to eat every day, are greedy?
Fasting is another part of disordered eating. Intermittent fasting, is fine, if it physically suits someone.

HazelMember · 17/04/2026 13:16

GoldenCupsatHarvestTime · 17/04/2026 12:18

One Man’s fasting is another man’s disordered starvation periods. If a teenage girl suddenly wouldn’t eat for whole days at a time and said she was fasting everyone would say she had an ED. But if a grown man or woman does it suddenly it’s just discipline?

There’s a massive difference between deliberately choosing to fast in a structured way and not eating because of something unhealthy going on underneath. Fasting usually has a clear pattern, start and end points and people still eat properly overall. Disordered eating is more about fear, control, or anxiety around food, and it is not the same.

The teenage girl example makes no sense. If a teenager suddenly stopped eating with no structure and seemed distressed around food, of course people would be worried. But if someone is following a recognised fasting pattern for health or religious reasons, that is a completely different situation.

Fasting has also been around for a long time in different faiths, it is not just a modern trend. Putting it in the same category as disordered eating ignores that,.

OP posts:
HazelMember · 17/04/2026 13:17

Ponoka7 · 17/04/2026 13:14

There's some truth in people who think it's normal to eat every day, are greedy?
Fasting is another part of disordered eating. Intermittent fasting, is fine, if it physically suits someone.

Fasting is another part of disordered eating

How? It has so many benefits proven in scientific journals.

OP posts:
Holtome · 17/04/2026 13:19

Intermittent fasting seems like the "right" way to eat to me, what our Grandparents would have done, if you mean 8am breakfast, 5:30pm dinner and no evening snacking. I don't know why there'd be any "backlash" to that.

GoldenCupsatHarvestTime · 17/04/2026 13:19

As can be seen on this very thread. There is a division between those who do not class intermittent fasting as actual fasting and those who do. Which was my very point. It causes agro because people are looking at the topic from different definitions.

bumptybum · 17/04/2026 13:24

nunamenuyear · 17/04/2026 11:20

I don’t care if people fast or not but those who do often seem a bit smug about it.

Only the smug ones.
you likely wouldn’t know about the non smug ones would you as they’d just be doing it and not talking about it

Jellybunny98 · 17/04/2026 13:26

I don’t really care what anybody else chooses to do and have done intermittent fasting before myself but I do think some of the concern with fasting is that it can end up in a binge/restrict cycle which moves into disordered eating.

If you fast for say 16 hours and then just eat your normal breakfast, snack, lunch, dinner etc then that’s great and works for lots of people.

But if you fast for 16 hours and then are so starving hungry that you spend the first 2 hours eating your entire days worth of calories it’s not great and that’s the cycle lots of people fall into.

However that’s true of lots of methods of weight loss really, and exercise, everything taken too far can become negative for someone.

bumptybum · 17/04/2026 13:26

gannett · 17/04/2026 11:41

I don't have any interest in diets or weight loss culture, and "intermittent fasting" always seemed to me to be one of those bonkers borderline-unhealthy things that those people do. The phrase sounds quite extreme. Turns out I occasionally do it accidentally - I can't eat before I go running otherwise I get stomach cramps, so if I don't run until midday I guess I've "intermittently fasted" without realising? I wouldn't do it for its own sake though.

so you think It’s borderline unhealthy, but then admit that you do it
That doesn’t really make sense

There’s nothing remotely unhealthy about having 16 hours for example of not eating

That still leaves eight hours to be eating your food which is enough for anyone

GreyfriarsJobbies · 17/04/2026 13:27

As other have asked, are they reacting against the idea of fasting itself or are they reacting against somebody else banging on about fasting, quite possibly with holier-than-thou undertones? There's nothing more boring than hearing about the intricacies of somebody else's diet regimen so while I sort of do the 'intermittent fasting' thing myself - almost inadvertently - I don't feel the need to bring it up in conversation and if anybody else does I very quickly get to 'STFU I don't care you tedious git' stage.

bumptybum · 17/04/2026 13:28

GoldenCupsatHarvestTime · 17/04/2026 12:28

Then you just eat early, to me fasting would be going an entire day or more without calories intentionally. Hence why yours is called intermittent fasting not just fasting.

You do realise the clue is in the name

Intermittent fasting is a form of fasting

HazelMember · 17/04/2026 13:28

GreyfriarsJobbies · 17/04/2026 13:27

As other have asked, are they reacting against the idea of fasting itself or are they reacting against somebody else banging on about fasting, quite possibly with holier-than-thou undertones? There's nothing more boring than hearing about the intricacies of somebody else's diet regimen so while I sort of do the 'intermittent fasting' thing myself - almost inadvertently - I don't feel the need to bring it up in conversation and if anybody else does I very quickly get to 'STFU I don't care you tedious git' stage.

Edited

There are no holier-than-thou undertones. It is presented as an option that is backed up by research. It seems to be against the idea of fasting.

OP posts:
GoldenCupsatHarvestTime · 17/04/2026 13:29

bumptybum · 17/04/2026 13:28

You do realise the clue is in the name

Intermittent fasting is a form of fasting

Yes but others see that as a disqualifier… that if they don’t say the intermittent part then they don’t mean that type.

bumptybum · 17/04/2026 13:30

Ponoka7 · 17/04/2026 13:14

There's some truth in people who think it's normal to eat every day, are greedy?
Fasting is another part of disordered eating. Intermittent fasting, is fine, if it physically suits someone.

Do you realise that many cultures had fasted from the beginning of time?

It’s not all about disordered eating

And there is much scientific evidence that autophagy Is hugely beneficial

SatsumaDog · 17/04/2026 13:33

I think a lot of people think of fasting as something you do for long periods and that it’s a fairly extreme thing to do. In reality, it refers to a huge spectrum of durations. Most people fast for 12 hours every night.

Anything relating to food and its restriction seems to make people emotional. One size does not fit all and even intermittent fasting (16h plus) makes me feel unwell. Each to their own I suppose!

GreyfriarsJobbies · 17/04/2026 13:38

HazelMember · 17/04/2026 13:28

There are no holier-than-thou undertones. It is presented as an option that is backed up by research. It seems to be against the idea of fasting.

There might not be from the chap you mentioned but I've had several first-hand experiences of people whanging on about fasting - or whatever other dietary habits they've latched on to - like it makes them the virgin Mary. So when I hear somebody else strike up about fasting, or beetroot juice, or cider vinegar, or whatever else it is, I no longer listen politely for long.

wishingonastar101 · 17/04/2026 13:56

I remember doing 24 hour fast for charity as a child in the 80's...

Usernamenotfound1 · 17/04/2026 14:16

takealettermsjones · 17/04/2026 11:27

I think a key problem is that advice to fast, if not properly delivered and understood, can encourage EDs in those who tend towards disordered eating.

This.

i have seen posters on her on 72 hr + fasts. Some even for a week.

if gives those with disordered eating an “exuse” to not be eating. I know when I was in the thick of it a massive part was making sure others didn’t think you had a problem. Fasting gives someone a reason to be sitting at dinner with a glass of water with everyone else thinking you’re acting reasonably.

it doesn’t work for me.