Centers for Disease Control and Prevention is an informational site for current health issues and topics.
National Institute of Health from the U.S. Department of Health and Human Services has information on a variety of health topics.
KidsHealth from Nemours has a section for parents, kids and teens.
Nutrition and Exercise
Choose My Plate from the U. S. Department of Agriculture provides practical information for building healthier diets.
Learn about exercise and eating healthy at Kids.gov.
FoodPyramid.com is a hub for information on how to keep a health lifestyle.
Asthma and Allergies
American Diabetes Association has information for parents and children on diabetes.
National Institute of Allergies and Infectious Diseases, which is the lead institute at the National Institutes of Health for research in food allergy.
Food Allergy and Research Education has information on many types of food allergies.