Burns can occur anytime of year, but the summertime can hold special hazards because many of us are outdoors doing yard work, grilling or boating. More than a million burn injuries occur each year, Introduction: What Do You Know About Burns?

Did you know that untreated bunions may lead to arthritis? Take this quiz and find out how to take care of your feet.

Are you clenching your teeth and don't even know it? Find out about bruxism by taking this quiz.

True or false: Brushing your teeth with an up-and-down or side-to-side motion cleans your teeth most effectively.

Botulism is rare, but extremely dangerous. This quiz will help you learn how to make sure the food you eat is safe.

Although millions of Americans have balanced disorders, they can be difficult to diagnose. That's because dizziness--a common symptom--is such a broad term.

Test your knowledge of these serious—and mysterious—class of diseases.

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.

Asthma flare-ups can be started by things known as triggers. Do you know what can trigger asthma? Test your knowledge.

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.