Nearly 3 out of 4 Americans are overweight (32%) or have obesity (40%). For years, both have been diagnosed using body mass ...

When you go in for a wellness exam, oftentimes the first things the medical assistant does is take your height and weight. With this data, the computer spits out your body mass index (BMI) number.

When it comes to measuring your health status or fitness level, there’s no shortage of metrics out there, which makes ...

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 ...

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Medically reviewed by Amelia MacIntyre, DO Key Takeaways Overweight and obesity both carry health risks, but body mass index ...

Also known as BMI, the calculation measures a person’s body fat based on height and weight. As currently used, the BMI scale divides adult populations into various degrees of body fat. An adult is ...

Waist-to-hip ratio is linked to long-term health risk, but experts say it doesn't always tell the full story. We explore how ...

Race-sensitive cutoffs can address BMI’s shortcomings, but not entirely.

I am getting bent out of shape over surgeons telling patients they cannot get a knee replacement because they are above a certain BMI cutoff. Here’s a familiar scenario: A patient with a high body ...

New research presented at the European Congress on Obesity (ECO 2026, Istanbul, Turkey, 12–15 May) shows that, following ...