The military’s new height to waist standards aim to better measure health and readiness, but raise concerns about fairness, ...

What it is: A system for measuring levels of body fat using a mat embedded with sensors that can assess the density of various parts of the body. The market: Spending on equipment and testing that ...

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.