Vitamin D is essential for building strong bones. But new evidence suggests that it may also play an important role in protecting against cognitive decline.

Many of the deaths that occur around the world today may be preventable.

Chronic sinus infections can lead to sleep problems and poor quality of life, but there may be some hope on the horizon.

Many women have cramps or irritability in the days leading up to their periods. For some women, however, things can get a whole lot worse. But one treatment may help.

Delirium is common in the elderly during hospitalizations, but it may bring with it some serious risks.

Many young athletes still use tobacco, but they may not be smoking it as much as they once did.

Any medication can cause side effects, and high blood pressure medications are no exception.

Omega-3 pills are among the most popular dietary supplements in the US. But these pills may not be living up to their claims.

Pop a pill to boost your brainpower — it’s been a theory for a while but may now be closer to reality.

Some say electronic cigarettes may be less harmful than conventional cigarettes. But they may have serious health consequences among teens.