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rule (reminder don't take dietary advice from internet strangers) (lemmy.cafe)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 12 points 4 months ago* (last edited 4 months ago) (2 children)

No, misinformation. While it’s more complex than a sliding scale, rates of metabolism do differ between individuals and are definitely not disproven or insignificant.

While lifestyle and diet are key considerations to health and weight management, it’s important not to dismiss differences in metabolic rates in affecting the body as you do here.

Source: https://my.clevelandclinic.org/health/body/21893-metabolism

[–] [email protected] 15 points 4 months ago (2 children)

ChatGPT?

[–] [email protected] 8 points 4 months ago (3 children)

[–] [email protected] 13 points 4 months ago

I like to imagine this as just a shitpost tool where you can just paste any text anyone types to get a screenshot like this and instantly invalidate their argument

Or maybe that's what this already is and I just WHOOSHed myself

[–] [email protected] 2 points 4 months ago

Holy shit, I just thought that's someone using fatlogic.

[–] [email protected] 1 points 4 months ago

thanks for the callout, explanation: https://lemmy.cafe/comment/6622440

[–] [email protected] 2 points 4 months ago

oops yeah i used ai to correct my bad grammar, forgot we are in 196. editing! thanks for the callout.

[–] [email protected] 11 points 4 months ago (1 children)

The effects are not significant. They barely make a dent in what you can eat. Thyroid and other illnesses impacts appetite though.

[–] [email protected] 6 points 4 months ago* (last edited 4 months ago) (1 children)

This is getting closer to the correct nuance. Per Cleveland Clinic:

Someone with a fast metabolism or fast BMR burns a lot of calories even while at rest. If you have a slow metabolism or slow BMR, your body needs fewer calories to keep it going.

A fast metabolism does not necessarily lead to thinness. In fact, studies show that people with overweight/obesity often have fast metabolisms. Their bodies need more energy to keep basic body functions going.

It would be also good to add that thyroid disorders may lead to weight gain by means of metabolism change according to this source as well—it’s not just a matter of appetite.

Like 99.9999% of health, nuance is important and blanket statements like “fast metabolism has been disproven” are just… unhelpful.

[–] [email protected] 8 points 4 months ago (1 children)

https://pubmed.ncbi.nlm.nih.gov/15534426/

"In humans, the coefficient of variation in the components of total daily energy expenditure is around 5-8% for resting metabolic rate."

That is nothing. That means the most extreme examples of this would be 200-300kcal. It's often just used as an excuse for a bad diet. And people believing in this myth is hindering them in making informed decisions.

[–] [email protected] 4 points 4 months ago* (last edited 4 months ago) (1 children)

5-8% is not nothing and it’s crazy that you would say that. (for reference, 200kcal is half of a nutrisystem frozen meal or an entire icecream sandwich.)

i encourage you to advocate for informed lifestyle choices, but if you mean that the coefficient of variation is 5-8% for resting metabolic rate, just say that, and don’t just open with “it isn’t even a thing in reality.”

[–] [email protected] 4 points 4 months ago (1 children)

In my personal experience people judge it to be more like 25-100%. But I stand by 200kcal being nothing. It's not a make it or break it kind of difference. 200kcal more doesn't make someone obese or even fat. If you over eat by 200kcal a day it will take a long time to get fat and you will have years to intervene with a slight change that will fix it. And that would only be in the most extreme case. For most people we are talking about much less than 200kcal. If you have actually only a differnce of let's say 50kcal from the median and cite that as a reason for being over or underweight it's just wrong. But I have seen people use it as a reason so many times.

[–] [email protected] 5 points 4 months ago

Just to add to this, nutritional labels (in the US at least) can have up to a 20% margin of error, which is a much more significant source of uncertainty.