Below are some web sites recommended by Community Oncology as good resources for information on cancer. National Cancer Institute (1.800.422.6237) Understanding Cancer Cancer.net (1.800.651.3038) WebMD If you consult sites other than those listed here, it is best to stick to those that are sponsored by professional medical associations, universities, and government agencies. Sites sponsored by medical journals whose articles are reviewed by outside experts are also reliable. If you wish to participate in a discussion group another good guideline is to participate in discussion boards moderated by a qualified healthcare professional who can help keep misleading ideas off the board.