Medical Dictionary, Diseases, Healthy Living, Drugs & Medicines on Yahoo! Health
http://health.yahoo.com/
KidsHealth has doctor-approved articles, animations, games, and resources to help kids learn more about their bodies and stay healthy.
http://www.kidshealth.org/kid/
SAMHSA's National Clearinghouse for Alcohol and Drug Information (NCADI). Drug and alcohol abuse, prevention, treatment.
http://ncadi.samhsa.gov/
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http://abcnews.go.com/Health/
Find health information and news about diet, fitness, nutrition, pregnancy, sex, drugs, alzheimers, adhd, asthma, allergies, cancer, heart problems, mental health, depression, skin care, diabetes, sleep, menopause, aging, cholesterol and back pain.
http://health.msn.com/