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, ...

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.

The number on the scale doesn’t reveal everything about your health. In an era dominated by smartwatches and fitness apps, tracking health has never been easier—or more confusing. The sheer volume of ...