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

Paget disease is a condition that affects the bones, usually causing them to become enlarged and deformed. Worldwide, it is the second most common bone disease. Learn more about Paget's disease by taking this quiz.

What's the most sensitive part of your body? Are women less sensitive to pain than men? Does everyone feel pain? Get answers to these and other questions by taking the pain quiz.

This illness has existed for thousands of years. Learn more about Parkinson disease by taking this quiz.

Dogs and cats and birds and hamsters. Snakes and guinea pigs and turtles. The family pet can be a source of joy and companionship, no matter what kind of animal it is. Sometimes, however, your favorite animal can be a source of illness. Learn more about pets and disease by taking this multiple-choice quiz.

Where are pinworms primarily found in the body? Get the answer to this and other questions concerning pinworms when you complete the multiple choice quiz.

Answer this one: How many symptoms have been tied to PMS? If you guessed more than 100, you're right.

Bacterial pneumonia kills thousands of older Americans each year. Yet there is a vaccine that offers protection against this deadly illness. How much do you know about pneumonia and the vaccine?

It's fun to take a hike through the woods: listening for songbirds, looking at wildflowers, spying the occasional chipmunk. You also need to keep an eye out for the bane of hikers—poison ivy. Find out how much you know about this annoying plant by taking this true-false quiz.

Poisons can be solids, liquids, sprays, or gases. Learn more about accidental poisonings by taking this quiz.

Houseplants help keep your indoor air clean, make a dramatic statement in your interior design, and provide a sense of well-being around the house. But some plants can poison children or pets.

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

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.

Prescription medications can successfully and safely treat mental and physical illnesses. But some medications can be addictive and many can be abused. Being aware of these potential harms can help you prevent them.

Prescription medicines can work wonders when they are taken as they should be. But what happens when you miss a dose? Or when you want to take an over-the-counter medicine along with your prescription? See if you know the answers to these and other questions by taking this quiz.

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

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.