Sean Jackson is a creative copywriter living in Florida. He's had work published with Realtor.com, theScore, ESPN, and the San Francisco Chronicle. In his free time, Sean likes to play drums, fail ...

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 mass index, or BMI, has long been criticized as a flawed method for measuring obesity — and now a group of experts is sharing new recommendations. BMI is a formula that uses a person's height and ...