LEISURE FITNESS: When USC medical researchers 10...

LEISURE FITNESS: When USC medical researchers 10 years ago wanted to gather ongoing health data for men and women over 55, Leisure World in Laguna Hills seemed the perfect setting for their study (E1). For starters, folks there seemed to be health conscious--for example, only 8% of them smoked. One finding from the Leisure World study shows that regular exercise reduces the risk of hip fractures by 50%, but cigarette smoking increases the chances by 80%.