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Catecholaminergic polymorphic ventricular tachycardia, or CPVT, is a rare genetic condition. It causes an irregular heart rhythm that can be life-threatening. It often shows up in childhood. Often the first sign is fainting or near fainting during exercise or strong emotion. Read on to learn more.

Even if you already have atherosclerosis or have had a heart attack, there's a lot you can do to prevent future heart problems.

Antibiotics have been called "wonder drugs," because of their ability to treat bacterial infections that were once deadly. Antibiotics have saved countless lives since they were first introduced 60 years ago. But over use of these drugs has allowed some bacteria to become resistant to them.

The itching caused by athlete's foot can be intense. Named for the active people who seem most prone to this condition, athlete's foot can affect even couch potatoes. Find out more by taking this multiple-choice quiz.

Back pain is a common complaint, but how serious is it? Take this quiz and see how much you know about back care.

Sudden cardiac death is the leading cause of death in adults in the United States. Knowing CPR may help you save someone's life. Learn more about CPR by taking this quiz.

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

A lobectomy is a surgery to remove 1 of the lobes of the lungs. Learn more about the procedure, such as why you might need one, what the risks are, and what to expect.

Read on to learn how to help your child care for their teeth correctly, from the type of toothbrush and toothpaste to use, to tips on how to brush their teeth.