More than a million Americans are infected with HIV, the virus that causes AIDS. Find out more about HIV and AIDS by taking this quiz.
If you want to eat healthy, is it necessary to cut out all those tempting treats and snacks? Take this quiz to find out.
Hair spray, antifreeze, house paint. These and other common items found in any home are useful products when used correctly. In the wrong hands, however, they can be deadly.
Anemia is a condition in which the body doesn’t have enough healthy red blood cells.
It has been more than 40 years since singer/songwriter Woody Guthrie died of Huntington disease. He had been misdiagnosed for years—he'd even been labeled an alcoholic. Since that time, much as been learned about HD.
True or false: Shivering is one way the body produces heat.
We can fight off an infectious disease in one of two ways, by catching and surviving the disease or by getting a vaccine, which prevents us from catching it.
Find out how much you know about the causes and treatment of impotence.
A pregnant woman passes antibodies to her unborn baby through the placenta to protect against certain diseases. How long does this natural immunity last?
A surprisingly large number of American teenagers experiment with intoxicating inhalants, resulting in an untold number of deaths. Find out more about inhalant abuse by taking this quiz.
Answer this one: How far in advance of your overseas trip should you visit your doctor for vaccines?
Arthritis is usually thought of as a disease that occurs later in life, but one child in every thousand develops a juvenile form of this illness. Take this quiz to learn more.
Answer this one: How much blood do your kidneys filter daily?
Kidney stones are one of the most common problems of the urinary tract—and one of the most painful disorders, period. How much do you know about kidney stones? Try your hand at the following quiz.
When the weather warms up, you may start to think about taking your kids to the pool or beach. How's your swimming safety knowledge?
Learning how to prevent knee injuries and treating them if they occur can help you stay active at work and play.
Older adults often suffer from depression needlessly because they fail to recognize its signs or are reluctant to talk with their doctor about it.
True or false: The most serious effects of lead exposure in children are vomiting and weight loss? Learn the answer by taking the Lead Safety Quiz.
Leukemia is a cancer of the bone marrow and blood. It is characterized by the uncontrolled production of blood cells.
Lips are for ... talking and smooching and eating. Yes, they're important, but do you know how to take good care of your lips? Take this quiz to find out.
What's the secret to a long, healthy life? The secret is that it depends on you.
People who need long-term care include those with a chronic illness or a physical handicap.
True or false: Antidepressants may cause low blood pressure?
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.
Some men cope with their inevitable loss of hair by wearing a cap most of the time. Some don an artificial hairpiece to cover their loss. Still others shave their whole head. There's more to know about baldness than toupees, though. Learn more by taking this quiz.