National Center for Complementary and Alternative Medicine (National Institutes of Health)

http://nccam.nih.gov/ 

MedlinePlus Complementary and Alternative Medicine (U.S. National Library of Medicine & National Institutes of Health)

http://www.nlm.nih.gov/medlineplus/complementaryandalternativemedicine.html

Complementary and Alternative Medicine in Cancer Treatment (National Cancer Institute)http://www.cancer.gov/cancerinfo/treatment/cam

Complementary and Alternative Medical Therapies for Diabetes (National Diabetes Information Clearinghouse)

http://diabetes.niddk.nih.gov/dm/pubs/alternativetherapies/

Alternative Medicine and Your Child (Nemours Center for Children's Health Media)

http://kidshealth.org/parent/general/sick/alternative_medicine.html