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With the surge in health information available via the Internet, interest in and use of complementary and alternative medicine, or CAM , has increased--to the extent that the Institute for Alternative Futures predicts two-thirds of Americans will be using CAM therapies by 2010. One powerful driver of this trend is that patients are using the vast resources of the Internet not just to seek health information, but also to empower themselves by finding their own online health resources. And these often include CAM-related Web sites, chat rooms, listservs, databases, online support groups, special interest groups, and commercial sites.