American Association of Poison Control Centers www.aapcc.org

American Heart Association www.heart.org

American Stroke Association www.strokeassociation.org

American Cancer Society www.cancer.org

American Orthopedic Association www.aoassn.org

National Multiple Sclerosis Society www.msassociation.org

American Diabetes Association www.diabetes.org

Web MD www.webmd.com

American Academy of Dermatology www.aad.org

American Lung Association www.lungusa.org

National Kidney Foundation www.kidney.org

American Pain Society www.ampainsoc.org

American Academy of Emergency Medicine www.aaem.org

American academy of Pediatrics www.aap.org

American Geriatrics Society www.americangeriatrics.org

American Psychiatric Association www.psych.org

Autism Society www.autism-society.org

Gastroenterology and Hepatology Association www.gastrojournal.org

American Chiropractic Association www.acatoday.org

Centers for Disease Control www.cdc.gov