Getting surgery before a knee replacement may seem counterintuitive. But, for some patients, getting one type of surgery could be a cost-effective way to improve outcomes.

OK, couch potatoes — here's yet another reason to get moving.

Women often have questions about what they should and shouldn't eat when they're expecting. Here may be one answer to those questions.

Looking to lose weight? You may want to try going a little nuts.

Body mass index (BMI) has recently become a way to gauge people's health in America. But new evidence suggests there may be a better way.

Despite its many nutritional benefits, seafood contains mercury — a known neurotoxin. But new evidence suggests eating seafood may actually lower the risk for one neurological disorder.

Many people would agree that what they eat influences their weight, health and even mood. But diet may affect much more than just our waking lives.

Dialysis can be a lifesaver for patients with kidney failure. But what if there was a way to prevent the need for dialysis in the first place?

Exercise is important when you're trying to lose weight, but it may not be the only factor.

Proponents and opponents of caffeine have long been weighing in on its health effects. Caffeine-lovers will be happy to know that one common caffeine criticism may no longer be on the table.