BMI has long been controversial among healthcare professionals—yet the obsession with how to calculate BMI persists. For these reasons as well as the influence of environmental, hormonal, and mental ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you’ve ever had a standard check-up with your physician or other healthcare provider, it’s ...

BMI, also referred to as Body Mass Index, is a method used in screening one’s body fat. This is done by measuring the height and weight of a person and converting it into their equivalent BMI.

BMI is an estimate of body composition based on weight and height. For people of any sex, a moderate BMI is usually 18.5 to 24.9. For people assigned female at birth, BMI does have some limitations.

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This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. We’ll start at the very beginning: Body mass index (BMI) is a measure of someone’s weight compared to their height whereas body fat ...