Learn how the body’s largest internal organ works to keep you healthy.

Your kidneys may be small, but their function can reveal a lot about your health.

Did you know that some of the most common sexually transmitted infections are also the most treatable?

Want a better understanding of your kidney health? This test is a good start.

Inflammation is one of your body’s most powerful tools for fighting injury and infection.

Want a clear view of your health? It begins in your blood.

Iron is incredibly crucial to your health—and so is how well your body stores it.

Concerned about diabetes? This test can help.

Interested in testing your hormones? Consider starting with your thyroid.

Are you expecting? Know for sure.

There are eight different blood types—discover yours.

Are you getting enough of nature’s sunshine vitamin? Let’s find out.