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.

How many people someone has slept with is a personal matter that most don’t want to disclose — unless maybe you’re on a reality TV dating show like “Love Island,” where they created an entire ...

BMI is still commonly used to assess obesity even though research has shown it's not necessarily a reliable metric. A new study proposes doctors instead use technology that can measure body fat. Body ...

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 ...