American College of Preventative Medicine
1660 L. Street, NW, Suite 206
Washington, DC 20036 202-466-2044

American Preventative Medical Association
P.O. Box 458 Great Falls,
VA 22066 1800-230-2762

American Holistic Health Association
P.O.Box 17400 Anaheim,
Ca., 92817 714-779-6152

American Academy of Environmental Medicine
Box CN 100-8001 New Hope,
PA 18938 215-862-4544

Parents Against Ritalin National Headquarters
225 S. Brady, Suite100 Claremore,
OK 74017 1800-469-5929