Modeling isn’t just a matter of strutting your stuff on the catwalk—it also means that you need mathematical precision when it comes to taking your body measurements. Having precise measurements is ...

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 ...

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.

Move over, BMI. It’s time to get SAD. This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in your inbox every Thursday, and read articles like ...

When to talk with a professional Tracking your body fat percentage is one way to measure progress when you’re trying to lose weight or gain lean muscle mass. But it is not the entire story of your ...

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 ...

The Army is wrapping up research on how best to measure a soldier's body fat -- but the service's controversial tape test might not be dead yet. The Army is in the midst of totally revamping health ...

Your ideal body fat percentage can depend on your age, sex, and activity level. Tracking movement and calories can help determine your body’s healthiest weight. No number is a complete picture of your ...