Is a lack of sleep thwarting your best weight loss efforts? There is much evidence to suggest that a lack of sleep goes hand-in-hand with weight gain. But first, it is important to address why you aren't sleeping well. Is your stress level or caffeine intake to blame? Or is your sleeplessness due to

Over the hill at age 65? Ready for the rocker at 70? Not these days. Americans are living longer and making more of their later years. One key is exercise. "Perhaps the most debilitating influence in people's health as they age is a sedentary life," said Dr. Jerome McAndrews, national spokesperson