Viral hepatitis comes in several forms, and all of them can make you very sick. Some forms of the virus can be eliminated from the body, but other forms remain for a lifetime. Take this quiz to test your knowledge of hepatitis.

Learn more about impotence by taking this multiple-choice quiz.

One variant of this illness is known as "mad cow disease." To help make sense of this puzzling disease, take this 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.

The human appendix is a 3- to 6-inch narrow tube located where the small and large intestines join. It's mostly known for becoming inflamed, affecting thousands of Americans each year. To learn more about the appendix, take this quiz.

Anthrax is a serious disease that can affect the skin, lungs, and digestive tract. Learn more about this disease by taking this quiz.

How important is it to draw up a living will? Take this quiz and find out.

High blood pressure that develops during pregnancy may mean a condition called preeclampsia. Are you at risk? Find out what you need to know with this quick quiz.

Peripheral neuropathy is a term that refers to temporary or permanent damage to the peripheral nerves – the nerves that carry information to and from the brain and spinal cord to the rest of the body. This damage is one of the most common complications of diabetes.

Tubal ligation is a permanent form of birth control in which a woman's fallopian tubes are tied or blocked. This keeps the egg and sperm from connecting and so prevents pregnancy.