Agency for Healthcare Research and Quality (http://www.ahrq.gov/

American College of Physicians (www.acponline.org/)

American Heart Association (www.americanheart.org)

American Journal of Clinical Nutrition (www.ajcn.org/)

American Journal of Epidemiology (http://aje.oxfordjournals.org)

Annals of Internal Medicine  (www.annals.org)

Archives of Internal Medicine (http://pubs.ama-assn.org/)

Centers  for Disease Control and Prevention (www.cdc.gov)

Circulation, American Heart Association (http://circ.ahajournals.org)

Diabetes Prevention Program (www.bsc.gwu.edu/dpp/index.htmlvdoc)

Health Affairs (www.healthaffairs.org)

International Journal of Behavioral Nutrition and Physical Activity (www.ijbnpa.org)

Journal of Occupational and Environmental Medicine (www.joem.org)

Mayo Clinic (www.mayoclinic.org)

Medicine and Science in Sports and Exercise  (www.acsm-msse.org)

National Business Group on Health (www.wbgh.org)

National Heart, Lung and Blood Institute (www.nhlbi.nih.gov)

National Institute of Diabetes and Digestive and Kidney Diseases (http://www2.niddk.nih.gov)

National Institutes of Health (www.nih.gov/)

National Weight Control Registry (www.nwcr.ws/)

President's Council on Physical Fitness and Sports (www.fitness.gov/)

The Obesity Society (http://obesity.org/)

US Department of Health and Human Services (www.hhs.gov/)

US Food and Drug Administration (www.fda.gov/)

Whole Grains Council (www.wholegrainscouncil.org/)