Meningitis is an infection of the membranes that surround the brain and spinal cord. Both viruses and bacteria cause meningitis. Bacterial meningitis can be life-threatening; viral meningitis seldom is. Learn more about bacterial meningitis through this quiz.

To keep your memory sharp, it's helpful to understand factors that affect memory for better or for worse.

Millions of Americans are affected by age-related macular degeneration, a disease that damages the eye's central vision. To learn more about macular degeneration, take this quiz.

Lupus is an autoimmune disorder that can range from mild to severe. It affects more than 1 million Americans, most of whom are women. Find out more about this autoimmune disease by taking the following quiz.

True or false: Antidepressants may cause low blood pressure?

People who need long-term care include those with a chronic illness or a physical handicap.

What's the secret to a long, healthy life? The secret is that it depends on you.

Leukemia is a cancer of the bone marrow and blood. It is characterized by the uncontrolled production of blood cells.

Chances are, workplace interruptions are robbing you of time and the ability to concentrate on important tasks.

Picnics and barbecues and pottering in the garden are some of the delights of summer. For some people, though, these pleasant pastimes are ruined by a fear of bees and wasps and other things that sting. Should you worry? Find out by taking this true-false quiz.