Internet Sites
The Internet has a lot of health information, but it can take a while to find good sites that will have what you're looking for. Here are a few places where you can start:
http://www.bbc.co.uk/health/kids/index.shtml
http://www.kidshealth.org/kid/
http://www.aboutchildrenshealth.com/funforkids.html
http://www.healthykids.org.uk/