Do I need surgery? Is that test necessary? This tool helps you weigh various factors. It also provides questions to ask your doctor, recommended reading and alternatives.
Start with a general risk assessment, covering diet, exercise, smoking and blood pressure. Or zero in on one issue with assessments based on lifestyle or conditions.
Click on the body part where you're experiencing symptoms, then follow the prompts to learn what might be wrong, how to self treat and when to call a doctor.
Which burns more calories: playing Frisbee or tennis? Is your weight at a healthy level? Use these calculators to find out. You also can figure out your target heart rate before you work out.
The body is made up of complicated and amazing systems. Click on one of the 12 systems, then follow the links for an in-depth explanation of how the body works.
Find out what to do if you miss a dose, what drugs and foods to avoid while taking it and what possible side effects you may experience.
Wondering whether you can take a pain reliever along with your blood-pressure medication? Use this tool to search for problems when taking two or more medications at the same time.
Search for information about a condition, symptom, medical test or surgery. Learn ahead of time how to prepare for surgery and what to do after you go home.
This feature provides comprehensive, up-to-date information. The reports are peer-reviewed and regularly updated, to give you the latest and most accurate information.