Psoriasis is a chronic skin disease that affects millions of Americans. Although it can affect people of any age, it occurs mostly in young adults. Find out more about this disease by taking this quiz, based on information from the National Institute of Arthritis and Musculoskeletal Diseases, the American Academy of Dermatology, and the National Psoriasis Foundation.

This quiz will help you build your knowledge of steps you can take to prevent prostate cancer.

Learn how to better manage your medicines by taking this quiz.

Test your knowledge of which behaviors are most helpful and harmful to your developing baby.

As a woman, do you know what your risk is for developing heart disease? You might be surprised. Take this quiz, based on information from the American Heart Association, and see how much you know about heart disease in women.

If you want to eat healthy, is it necessary to cut out all those tempting treats and snacks? Take this quiz to find out.

Take this multiple-choice quiz to answer your questions about teen health. Example: Routine physical examinations should be done how often during the teen years?

Melanoma is a type of skin cancer. What increases your risk? What can you do to prevent it?

Take a look at the influenza virus under a microscope, and you'll see a funny-looking spiked ball. But if you've ever been flat on your back with the flu, you know there's nothing funny about this highly contagious virus. Test your savvy by taking this quiz.

Smoking is the main cause of chronic obstructive pulmonary disease (COPD), a serious, debilitating and often fatal illness. Take this quiz to find out more about COPD and how to prevent it.