Calculate your life expectancy

No one knows just when the clock of life will stop, but a 10-minute survey on the Alliance for Aging Research Web site will calculate your life expectancy. It's got me living until 90--that despite the fact that three people in my immediate family have had cancer. And my coworker is expected to make it to age 92.

If nothing else, taking the survey gets you thinking about your life habits and the all the ways in which you can improve your health.

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