A Few Hours of Weekly Exercise May Help Women's Bones, King Abdul-Aziz University Study  
8/16/2012 7:30:22 AM

Engaging in more than two hours of physical activity per week appears to help pre-menopausal women maintain healthy bones, new research suggests. The finding is based on the impact that even small amounts of exercise seem to have on curtailing the production of a protein that impedes bone growth, while at the same time increasing the activity of another protein that promotes bone formation.