Here are some links to various health-related websites and journals that you may find interesting.
HEALTH INFORMATION WEBSITES
American Cancer Society
American Diabetes Association
American Dietetic Association
American Heart Association
American Society for Nutrition
American Stroke Association
Centers for Disease Control & Prevention
Healthcentral.com
Heart Abnormalities and Conditions
Infinite Well-Being A.R.T. Lifestyle
Mayo Clinic
Mesothelioma Group
National Heart Lung and Blood Institute
National Institutes of Health
U.S. Department of Health & Human Services
U.S. Food & Drug Administration
World Health Organization
MEDICAL JOURNALS
American Heart Association Circulation
American Journal of Clinical Nutrition
American Society for Nutrition Journal of Nutrition
Annals of Internal Medicine
Cambridge Journals, including the British Journal of Nutrition
PubMed (U.S. National Library of Medicine and National Institutes of Health)
The Journal of American Medical Association JAMA