Health Library

Vegetables offer not only a variety of flavors and textures--they are also packed with nutrients. But many Americans limit their vegetable consumption to just a few types.

Addiction to drugs or alcohol can happen to anyone of any age, social status, race, or income level. Find out more by taking this quiz.

When you think of addiction, you might think about drugs or alcohol. But there are other kinds of addictions, and all of them involve your health and well-being.

Your milk is best, but it's not always complete with the nutritional needs of very small premature babies or some very sick newborns.

Addison disease is when the adrenal glands don't make enough of 2 steroid hormones. The hormones are cortisol and aldosterone. Cortisol controls the body's metabolism, blocks inflammatory reactions, and affects the immune system. Aldosterone manages sodium and potassium levels. Addison disease is fairly rare and may first appear at any age.

Adenoviruses are a group of viruses that cause a variety of infections. These include the common cold, conjunctivitis, and croup.

Attention deficit/hyperactivity disorder (ADHD) is a common mental affecting millions of children.