Hepatitis C is a liver disease caused by a virus. Most people who have hepatitis C don’t have any symptoms for years. Could you be at risk?
Over time, addiction to drugs or alcohol changes the structure and function of the brain. Find out more about addiction by taking this quiz.
Find out more about constipation by taking this quiz.
This calculator is for children with asthma. If you know your child's height, you can find his or her predicted peak flow.
This assessment is valid for women between the ages of 21 and 69 who have had sexual intercourse at least once and who have not had a hysterectomy with removal of the cervix.
Scoliosis is a condition that causes the spine to curve sideways. It can develop during childhood or adolescence and can range from mild to severe. This video explains how scoliosis occurs and what treatments are available.
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