The main symptom of emphysema is shortness of breath, which is caused by permanent damage to the small air sacs and small airways in the lungs.

True or false: An interaction between alcohol and a medicine can lead to extreme drowsiness and other effects. Do you know the answer to this and other questions about medicine interaction?

Your doctor can't give you the best care if you don't say what's really going on. This true-false quiz will help you prepare for your next visit.

Take this quiz to find out how to decrease your risk of developing diabetes.

More than 18 million Americans have been diagnosed with diabetes and more than 5 million more have diabetes but don't realize it, according to the CDC. Yet diabetes is the sixth leading cause of death in the United States.

An excess of cholesterol can build up in the arteries, narrowing them and slowing or blocking blood flow to the heart. Take this quiz to learn more about cholesterol and its role in your health.

How much do you really know about those fat globules lurking in your food? Take this quiz and find out.

Are you a parent of a child with asthma? Take this quiz and stop feeling guilty.

Find out more about this degenerative disease of the brain by taking this quiz.

Addiction to drugs or alcohol can happen to anyone of any age, social status, race, or income level. Find out more by taking this quiz.