Reliable Health Resources on the Web

Dec. 20, 2008— -- The Internet can be a valuable medical tool, helping many patients learn about symptoms and treatments.

According to one survey, 80 percent of Internet users in the United States have searched the web for medical or health information.

The problem is, much of the medical information on the Internet is dangerously incomplete or flat out wrong.

Here are some Web sites that doctors told ABC News are good sources of information: