Includes a drug reference guide, syndicated health columns and the HealthNet Reference Library.

Offers health and medical stories from the Associated Press and consumer health and fitness reports.

Access to a health database and electronic versions of Longevity and Scientific American.

Usenet forums for professionals, students and the curious to chat about health issues.

Two of many online support groups

Info from the National Cancer Institute

The University of Iowa’s Virtual Hospital: includes multimedia textbooks, patient simulations and gateways to other resources.

Guide to the online resources of the Dept. of Health and Human Services and affiliates, including the FDA and the World Health Organization.

University of Texas medical information center.

(Pixel Perfect, $99.95)

(IVI Publishing, $59.95)

(A.D.A.M. Software, Inc.; $39.95)

The American Medical Association’s online service and Web page.