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Scientists Show Human Aging Rates Vary Widely

posted by CoolHand on Tuesday July 07 2015, @10:44PM   Printer-friendly
from the ponce-de-leon dept.

HughPickens.com writes:

Ever notice at your high school reunions how some classmates look ten years older than everybody else - and some look ten years younger. Now BBC reports that a study of people born within a year of each other has uncovered a huge gulf in the speed at which human bodies bodies age. The report tracked traits such as weight, kidney function and gum health and found that some of the 38-year-olds in the study were aging so badly that their "biological age" was on the cusp of retirement. "They look rough, they look lacking in vitality," says Prof Terrie Moffitt. The study says some people had almost stopped aging during the period of the study, while others were gaining nearly three years of biological age for every twelve months that passed. "Any area of life where we currently use chronological age is faulty, if we knew more about biological age we could be more fair and egalitarian," says Moffitt.

The researchers studied aging in 954 young humans, the Dunedin Study birth cohort, tracking multiple biomarkers across three time points spanning their third and fourth decades of life. They developed and validated two methods by which aging can be measured in young adults, one cross-sectional and one longitudinal. According to Moffit the science of healthspan extension may be focused on the wrong end of the lifespan; rather than only studying old humans, geroscience should also study the young. "Eventually if we really want to slow the process of aging to prevent the onset of disease we're going to have to intervene with young people."

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  • (Score: 0) by Anonymous Coward on Tuesday July 07 2015, @11:21PM

    by Anonymous Coward on Tuesday July 07 2015, @11:21PM (#206271)

    My Korean wife still seems in her 30s.

  • (Score: 5, Funny) by tibman on Tuesday July 07 2015, @11:51PM

    by tibman (134) Subscriber Badge on Tuesday July 07 2015, @11:51PM (#206278)

    Found this: http://static1.allkpop.com/meme/generate/2014/07/n93m79.jpg [allkpop.com]

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    • (Score: 2) by arslan on Wednesday July 08 2015, @02:19AM

      by arslan (3462) on Wednesday July 08 2015, @02:19AM (#206305)

      SFW or NSFW?....

      • (Score: 3, Informative) by Anonymous Coward on Wednesday July 08 2015, @03:15AM

        by Anonymous Coward on Wednesday July 08 2015, @03:15AM (#206324)

        safe

    • (Score: 0) by Anonymous Coward on Wednesday July 08 2015, @03:20AM

      by Anonymous Coward on Wednesday July 08 2015, @03:20AM (#206326)

      Oh shit.

    • (Score: 2) by FatPhil on Wednesday July 08 2015, @08:04AM

      by FatPhil (863) <reversethis-{if.fdsa} {ta} {tnelyos-cp}> on Wednesday July 08 2015, @08:04AM (#206382) Homepage
      I was just about to ask "Is the distribution (in rates of ageing) they are finding any different (apart from the obvious reversal) from the distribution in menopause ages?", so it's funny you should bring up that classic.

      One problem with this story is that it's hard to define "aging" (sic). Or should I say it's too easy to define it in different ways.
      --
      Great minds discuss ideas; average minds discuss events; small minds discuss people; the smallest discuss themselves

  • (Score: 0) by Anonymous Coward on Wednesday July 08 2015, @03:34AM

    by Anonymous Coward on Wednesday July 08 2015, @03:34AM (#206329)

    > My Korean wife still seems in her 30s.

    Probably because she is 36.