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Doctors explain what the Body Mass Index is and why it isn't an accurate indicator of health, especially for certain people. Plus, what doctors refer to instead. BMI Can Tell You Something About ...
Is BMI Accurate? BMI is a widely used method for assessing weight status, but its accuracy is limited in certain scenarios. While BMI correlates with health risks associated with obesity at the ...
A group of 58 researchers is calling for a new, better way to measure obesity and excess body fat that goes beyond BMI. Here's what they recommend using instead.
BMI is not an accurate way to measure body weight or health because it does not account for body fat percentage or body fat distribution.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 January 2025. Relative weight based on mass and height Medical diagnostic method Body mass index (BMI) Chart showing body mass index (BMI) for a range of heights and weights in both metric and imperial. Colours indicate BMI categories defined by the World Health Organization ; underweight, normal ...
BMI is an accurate reflection of body fat percentage in the majority of the adult population. However it is less accurate in people such as body builders and pregnant women. [13] A formula combining BMI, age, and gender can be used to estimate a person's body fat percentage to an accuracy of 4%. [14]
A panel of global experts explains why BMI is not the most helpful measurement of body weight, and how else doctors can diagnose obesity. Image credit: VICTOR TORRES/Stocksy.
Another concern is reverse causation due to illness-induced weight loss. That is, it may not be low BMI that is causing death (and thereby making obesity seem protective) but rather imminent death causing low BMI. Indeed, unintentional weight loss is an extremely significant predictor of mortality. [33]