Ever since Robert De Niro piled on 60 pounds to play boxer Jake La Motta in 1980’s “Raging Bull,” Hollywood’s hottest talents have followed his lead, enduring extreme weight fluctuations for the sake of a plum role. Check out 12 celebrities who risked all this for their roles.

Being able to pinch an inch at your waistline may be upsetting to you. That pinchable fat is soft belly fat, also known as subcutaneous fat, acts as insulation and a source of energy for your body.

Determining the average weight and height of a 15-year-old is not an exact science. Since teens are still growing, especially in regards to their weight, it can be difficult to assign an average number. That's why body mass index is often when looking at the health status of a teenager.

Determining what a normal body weight for a 5'4'' girl is can be determined by using height-weight charts, body mass index and ideal body weight equations.

There are no shortcuts or gimmicks to losing body fat quickly. Follow these eight steps for real, long-lasting fat loss and health.

In her latest book Metabolism Revolution, Haylie Pomroy makes the case for how certain factors can make it easier for your body to hold onto excess fat. Here's how to fix that.

Six pack abs require commitment to a healthy, portion-controlled diet and lots of precise exercise. A woman must reduce her body fat levels for her abs to pop.

Building muscle is great for your health — and your appearance — but gaining so much muscle that you don't see a difference on the scale can be frustrating.

While having tight and toned abs is partly genetic, read up on the number of things that you can do today to firm, slim and define your midsection for good.

Three chemicals found in common products and foods may interfere with the digestive system’s ability to tell the brain when the body is full.

In addition to regular workouts and proper nutrition, here are three specific things you can do now to hack your diet and training for more successful fat loss.

Average heights and weights by age can determine normal development and indicate possible health conditions.