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.

Roux-en-Y gastric bypass (RYGB) is a type of weight-loss surgery. Weight-loss surgery is also called bariatric surgery. It's often done as a laparoscopic surgery, with small incisions in the abdomen.

Vasectomy is surgery a man may choose if he doesn't want to father any more children. It is permanent male birth control.

Cecostomy is surgery to clear a child's bowels of feces when other treatment has not worked. It is used for children with fecal incontinence caused by major health problems.