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.

It is well documented that body mass index (BMI) — a ratio of height and weight — is not the best measure of a person’s obesity, physical fitness or good health. But coming up with another ...

Watch the CBS Reports documentary, "Speaking Frankly | Fat Shaming," in the video player above. It's a simple little tool that's been used by doctors for decades, but the system of measuring Body Mass ...