Lust for life: Breaking the 120-year barrier in human aging

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In rich countries, more than 80% of the population today will survive past the age of 70. About 150 years ago, only 20% did. In all this while, though, only one person lived beyond the age of 120. This has led experts to believe that there may be a limit to how long humans can live. » 7/05/13 8:00am 7/05/13 8:00am

How We Died 200 Years Ago, Compared to How We Die Today

In honor of its 200th Anniversary, The New England Journal of Medicine has published a fascinating review of how our ideas about death, and the causes of death, have changed over the past 200 years. We no longer worry so much about dying from spontaneous combustion, or near-misses from cannonballs. » 6/25/12 3:00pm 6/25/12 3:00pm

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

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 12:21pm 8/03/11 12:21pm

Can humanity survive a population of over 10 billion people?

By the end of this year, the human population is expected to reach seven billion people, just twelve years after we hit the six billion milestone. But how much more crowded is our planet going to get? Will we keep on expanding indefinitely, or are we approaching the upper limit? The current consensus is that we'll… » 2/20/11 1:20pm 2/20/11 1:20pm