Whether calculating your target heart rate, assessing your risk for a common condition, or testing your knowledge of today's health concerns, these tools help you manage your health. They are easy to use, informative, and often surprising.
About 14 million people in the U.S. have rosacea. Take this quiz to find out how much you know about this skin condition.
Some people may have more than 1 type of rosacea at a time. The 4 types are: