Fun for youth:

http://www.colgatebsbf.com/ - You're in for a treat when you enter this sited for children's oral health education! Dr. Rabbit will talk with you, and you can enter the sections for kids or parents.
http://mealsmatter.org/CookingForFamily/Activities/breakfast.aspx - game about breakfast and jumping rope
http://www.funwithfood.com/kidsclub.html - Kids Club provides children with some fun activities and grown-ups with some good information
http://www.kidshealth.org/teen/ - Activities and information related to teens and their health

Info for teens:

http://teengrowth.com/ - Covers topics of interest and importance to teens, including emotions and growth
http://www.pbs.org/wgbh/nova/thin/needs.html# - Lists and describes the nutrients needed by a teen's body

www.pde.state.pa.us/food_nutrition - Information on the School Nutrition Program
www.nhlbi.nih.gov/health/public/heart/obesity/lose_wt/index.htm - Offers resources and information from the National Institutes of Healthy Heart, Lung and Blood Institute, focusing on healthy weight
http://www.niddk.nih.gov/health/nutrit/win.htm - Information on weight management and access to on-line government publications
http://www.mayoclinic.com/health/childrens-health/CC99999 - Information on children's health, sicknesses, safety
www.parents.com/parents/ - Parents' Magazine offers parenting information about children of all ages, many topics.