Logistics Specialist 2nd Class Samuel Hill weighs Intelligence Specialist 3rd Class Nathan Perrin during body composition assessments aboard the carrier Abraham Lincoln. (MCS Joey Sitter/Navy) Later ...

For decades, health experts have relied on body mass index (BMI), a ratio of weight to height, to classify people as underweight, normal weight, overweight or obese. But sometimes, you need more than ...

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.

This article was reviewed by Felix Gussone, MD. Key Takeaways: Body composition offers a clearer picture of health than weight alone, because it reflects your unique proportions of fat, muscle, bone, ...

Thanks to the ever-improving world of fitness trackers and apps, you've never had more access to personal health data. But which of the dizzying number of markers and metrics should you really be ...