Back in 1946, when the first baby boomers were born, it was easy to imagine some sort of magic pill that would promise, if not immortality, at least a very long, happy, and healthy life.
Darn, another hoped dashed. We are living longer, but not always healthier and happier. Given that the ranks of Americans age 65 and older are soon to swell -- from 13 percent to 18 percent by 2030 -- geneticists, physicians, and psychologists are hard at work figuring out what it takes to thrive into old age.
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