This site is delightful. International Health News IHN is an on-line newsletter edited by Hans Larsen, Msc, ChE of Canada. Its purpose is to provide the reader with effective information to take responsibility for his or her own health and well-being. Larsen has subscribed to about 40 medical journals and then spent many hours sifting through thousands of pages of medical articles. He selects the most interesting articles and summarizes them into concise, understandable abstracts.
Many articles are about cancer and are remarkably useful.
You can also search by chemicals and their activities, plants and their uses, etc. Another work of genius from James Duke, Ph.D. and his ethnobotanical colleagues. Cyberbotanica Site An exceptionally attractive botany education resource, maintained by Indiana University's BioTech project. This site focuses on botanical compounds used in cancer treatment and research, mainly chemotherapy. The authors note that this is NOT a self-help site, as many of these compounds are highly toxic.