http://kidshealth.org

This is one comprehensive site when it comes to your kids. The best part about this site is that it offers different content for parents, for kids and also for teens. When kids surf through this site, they will themselves learn about how to stay fit and healthy, how the body functions, different types of illnesses and injuries etc. This is an absolute must read for kids especially in today’s age when negligence of health is a major concern.