A widely accepted marker of early obesity risk may instead reflect normal muscle development, with implications for how clinicians assess adiposity in children.

BMI is a quick and widely used tool for estimating body weight relative to height, but it has important limitations. Experts stress that it doesn’t distinguish between fat, muscle, or bone, and can ...

We’re a society obsessed with numbers, and no more so than when managing our health. We use smartwatches to count steps and track our daily activity, creating scores for our fitness, and monitor our ...