Strasser, Mark
Center for Disease Control and Prevention
This website is a highly-reputable on-line source for credible health Information.
Kids Health
From growing up to getting braces, popping pimples to catching some ZZZs, this section gives you the basics on your changing body - from head to toe.
This is the website I designed that gives you a lot of information on lifting and conditioning for beginners as well as advanced students. Go to the article pages for some intersting ideas on weight-training and nutrition.