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.

‌Body composition is a term often used by doctors and health and fitness professionals. It refers to the percentage of fat, bone, and muscle in your body. It can give your doctor a better idea of your ...

The scale has never been a friend to Mana Mostatabi. Even back in high school, when she ran a quick 100m on the varsity track team, her BMI – a ratio of weight to height – put her in the overweight ...