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 ...

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.

Researchers have developed a simpler and more accurate method of estimating body fat than the widely used body mass index, or BMI, with the goal of better understanding obesity. Cedars-Sinai ...