Other sites for information:

Got it in you? 4H

Share. Save. Spend.

Boys & Girls Clubs of America

Center for Disease Control and Prevention

Journal of the American Medical Association

Kaiser Family Foundation

National Alliance of Youth Sports (NAYS)

New England Journal of Medicine

Obesity Week

PE4Life

President's Council on Physical Fitness and Sports

SPARK

US Department of Health and Human Services

University of Michigan: Fitness for Youth

Women's Sports Foundation Report

Oregon Public Broadcasting

Nike for Kids