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[–] o0shad0o 1 point 7 points (+8|-1) ago  (edited ago)

BMI is flawed. It doesn't account for muscle vs fat. But with a few exceptions there's only so far off it can be.

Exceptions include body builders - guy on the left is 305 lbs at 5'11" - and a few people who simply don't exercise at all despite not eating much.

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[–] 8129274? 0 points 6 points (+6|-0) ago 

with a few exceptions

Exactly. There are very few exceptions, except every fat thinks they're an exception just because they pick up a weight for ten minutes twice a week, when in fact you can usually really tell the people who it doesn't work for (people like your friend there).

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[–] ChineseCaptcha 0 points 5 points (+5|-0) ago  (edited ago)

There are more exceptions, however the problem is that BMI is normally too conservative i.e. telling people that they are still metabolically healthy when they are not. The reverse happens for a very few men who are doing body building, for women it basically never occurs.

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[–] Sellyoulight 0 points 1 point (+1|-0) ago 

It could be argued that BMI is “flawed”, but I think it’s more incomplete than anything else. For an evaluation of a persons condition, I think using a combination of BMI, body fat %, waist/height ratio and waist/hip ratio gives a far better eval that nobody could argue with.

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[–] squirrelette ago 

Usually an exception will be if you lift and are only a few pounds out of the healthy range (exception is bodybuilders).