Kathleen Hutchinson, Ph.D., and her colleagues at Miami University in Oxford, Ohio, found that physically fit people who exercise regularly have stronger blood circulation, which may offer some protection against hearing loss. Deliver on time Studies have shown that pregnant women who do at least three hours of aerobic exercise a week improve their chances of on-time delivery. In addition, having stronger muscles may shorten labor time, according to Maureen Hatch, Ph.D., director of the division of epidemiology at Mount Sinai School of Medicine in New York City, who directed a study of 557 prenatal women. Tips Commitment Put it on your calendar. On Sunday, before the workweek begins, mark your walking times with a big red 'X'.
Motivation Bring a friend.
Find a neighbor or colleague who will commit to at least one walk a week. If you know someone is waiting, you'll be less likely to skip the workout. Once you get started, chances are you'll want to keep going.