"Longevity genes," not healthy lifestyles, are what help you live to see 100

Do you have a family history of exceptionally long-living relatives? If you do, congratulations. A recent study suggests that you may be packing "longevity genes" that could allow you to eat, drink, and even smoke like the rest of us and still outlive us all, living well into your 80's, 90's, and beyond. »8/03/11 3:21pm8/03/11 3:21pm