Lean and fat mass change together, making the whole process more complicated.

A study of skeletal muscle mass distribution suggests women need to focus on strength training more to offset the impact of aging.

The number on the scale isn't everything.

The term middle age spread refers to the amount of weight gained by men and women once they hit the big 4-0.

That bitter taste you hated as a kid could be the flavor of improved health as an adult.

"Freshman 15" is a term that refers to the weight college students tend to gain during their freshman year.

This study found that vegetarian dieters not only lost weight more effectively than those on conventional low-calorie diets but also improve their metabolism by reducing muscle fat.

What if I told you that even healthy people can have high mortality rates? It may sound impossible, but the reality is that a bit of extra belly fat can be a lot more dangerous than you'd think.

You don't have to be small and trim to reap the benefits of exercise. Exercise can decrease your cardiovascular risk even if you're in a higher-BMI category.

The Mayo Clinic is getting behind a new body composition app in hopes of replacing BMI.

The impact of even small changes in weight on your health shouldn't be dismissed.

We've all seen those funny images of guys and girls with huge upper bodies and scrawny legs, and we all know that skipping leg day can lead to serious musculature imbalances. But did you know...

Preventing Alzheimer's may be as simple as improving eating habits and being more active.

Your children are at a much greater risk of obesity now more than ever.

By moving around, you can reduce the risk of diabetes, obesity, and depression.

Maybe Santa is jolly, and a little corpulent, but research seems to indicate that big people are not happier.

BMI is one indicator of obesity, but other markers also need to be taken into account.