Exercise during the teenage years may be one of the most important ways to prevent osteoporosis. The July 2000 issue of Pediatrics reported results from the ongoing Penn State Young Women's Health Study that show an association between adult hip bone density and sports-exercise patterns from ages 12 to 18. Exercise increases bone density, and the difference between being sedentary and active during peak bone growth can have lifelong impact.

• ‹ Preventable Mental Retardation?
• Allergic to Mosquitoes? ›