Autism is a developmental disability that usually starts in early childhood. Because different children can have widely different symptoms, autism is classified as a "spectrum disorder," which means it is a group of disorders with similar features.
Test your knowledge of these serious—and mysterious—class of diseases.
Back pain is a common complaint, but how serious is it? Take this quiz and see how much you know about back care.
Answer this one: What position is best for your back when you sleep?
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.
Here's a tough one: When is an unborn baby most at risk of developing abnormalities?
The last time you visited your doctor for an illness, he or she might have ordered a CBC test to help determine the diagnosis. CBC stands for complete blood count, but what does that mean? And what do all those numbers on the result sheet mean? Find out by taking this quiz.
Do you know your risk factors for high blood pressure? You can’t do anything about some risk factors. But other risk factors can be changed. Learn about the risk factors for high blood pressure by taking this quiz.
Every year, millions of Americans roll up their sleeves to donate blood, helping accident victims, surgical patient and others in need. How much do you know about blood transfusions? Take this multiple-choice test and find out.
Botulism is rare, but extremely dangerous. This quiz will help you learn how to make sure the food you eat is safe.
True or false: Fifty percent of the lumps women find when checking their breasts aren't cancerous.
Breastfeeding is filled with benefits to your child and you. Do you know what they are?
Are you clenching your teeth and don't even know it? Find out about bruxism by taking this quiz.
Did you know that untreated bunions may lead to arthritis? Take this quiz and find out how to take care of your feet.
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?
Is there a link between heavy caffeine consumption and osteoporosis? Find out when you take this quiz.
True or false: If you don't get enough calcium in your diet, your body will take the calcium it needs from your bones.
Any sudden or progressive change in a mole's appearance could be an indication of skin cancer.
True or false: If someone is following your car too closely, you should gently tap your brakes as a warning.
The carpal tunnel is a pathway inside your wrist that carries the median nerve from your arm to your hand. Carpal tunnel syndrome is a condition that affects your hand. Test your knowledge of carpal tunnel syndrome by taking this quiz.
There are millions of pet cats in the U.S. Three households in 10 own at least one cat. Sometimes, however, cats can cause an illness called cat scratch disease. Find out more about this illness by taking this quiz.
Cataracts are a common eye problem among older adults.
Celiac disease is a digestive disease that can affect children and adults alike. Also known as celiac sprue ("sprue" means you can't absorb nutrients from food), this disease is the most common genetic disease in Europe and is considered significantly underdiagnosed in the United States. Learn more about the disease by taking this quiz.
Death rates from cervical cancer are dropping, because more
women are being screened. To learn more about cervical cancer and prevention, take this quiz.
Answer this one: When riding in a motor vehicle, how tall should a child be to sit in a regular seat and use an adult seat belt instead of a being strapped into a car safety seat or booster seat?