Thanks to the ever-improving world of fitness trackers and apps, you've never had more access to personal health data. But which of the dizzying number of markers and metrics should you really be ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Ever wondered how body fat is calculated? There are lots of ways to do it, including smart scales ...

Caroline Roberts writes articles and notifications for CNET. She studies English at Cal Poly, and loves philosophy, Karl the Fog and a strong cup of black coffee. We break down the history behind BMI ...

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 ...

Reports from the Centers for Disease Control and Prevention tell us that more than two-thirds of American adults are overweight or obese, and the numbers keep climbing in our children. Although we ...

For bodybuilders and fitness enthusiasts, changing body composition often reflects hard work and discipline—but knowing body composition is useful for anyone, and for more than just bragging rights.

The Lilliputian tailors measure Gulliver for a new suit of clothing, from Part I of Jonathan Swift's "Gulliver's Travels." (1726) Illustration (1909) by Arthur Rackham (1867-1939) Source: Alamy stock ...