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.

The Mediterranean diet has long been promoted as a heart-healthy way of eating. But, for women, there may now be another good reason to adopt this diet.

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

Cucumbers are thought to be behind a salmonella outbreak that has sickened hundreds across the US in recent weeks.

Exercise may be at the heart of good diabetes control. Literally.

Diabetes is a major cause of illness and death in the US. But there may be some hope on that front.

To live longer, you may want to eat less.

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

If you're a type 2 diabetes patient trying to lose weight, the medication you take could make a difference.

Being obese can put patients at greater risk for many conditions, including some types of cancer. But for some, taking a common over-the-counter medication may reduce this increased risk.