Evidence is mounting that people with gum (periodontal) disease may be more at risk for heart disease and stroke.

There is no cure for age-related macular degeneration (AMD) at this time. But treatment can slow progression of the disease. And new treatments are in development. Here's what you should know.

Rheumatoid arthritis is an autoimmune disorder, which means your immune system attacks your body—in this case, your joints. Learn more about medicines to treat this condition.

Cluster headaches -- called cluster because of their pattern of striking in groups or clusters -- hit at the same time of day for a period of weeks or months, then vanish as suddenly and as mysteriously as they appeared.

You have a number of tools at your disposal for better managing the symptoms of Parkinson’s disease and living a healthy, enjoyable life.

Ulcerative colitis is a chronic illness. It begins with inflammation in the rectum and can progress to involve much or all of the large intestine.

Nausea and vomiting can make you feel miserable. But it's important to remember that these are not diseases. Rather, they are symptoms of many illnesses.

A medicated nasal decongestant spray may offer fast relief when your nose is congested and running. But using them for too long can cause problems. Learn about some other options, as well as how to treat young children.

For some people, taking medicine every day can help prevent migraines and make them less painful when they occur.

Having a child with diabetes can be overwhelming. Fortunately, a team of experts can guide you now and in the years to come.