Body mass index (BMI) is a calculation used to estimate your body fat. Based on the BMI score, you may be categorized as being underweight, of normal weight, or overweight. The BMI score may also be ...

Move over, BMI. It’s time to get SAD. This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in your inbox every Thursday, and read articles like ...

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.

Although excess weight can affect health, there is no one way to determine whether a person has overweight or obesity. There are different methods, each with its own pros and cons. One of the common ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. We'll start at the very beginning: Body mass index (BMI) is a measure of someone's weight compared to their height whereas body fat ...

When you sign up for a new gym, you might be introduced to a piece of equipment known as a 'bioelectrical impedance analysis' machine, often touted as a reliable tool for measuring body fat. While ...