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Stinky armpit

  • 21-01-2013 12:06am
    #1
    Squeaky the Squirrel
    Closed Accounts Posts: 1,190 ✭✭✭


    A Lucky Two Percent of People Have a Gene for Stink-Free Armpits
    It’s conventional wisdom that three things in life are inevitable: death, taxes and smelly armpits. But the third trouble on that list, it turns out, only afflicts 98% of us. According to a group of researchers from the University of Bristol in the UK, 2 percent of people (at least in their survey) carry a rare version of the gene ABCC11 that prevents their armpits from producing an offensive odor.


    The study, published yesterday in the Journal of Investigative Dermatology, examined 6,495 British mothers who have been part of a longitudinal health study since they gave birth in either 1991 or 1992. About 2 percent—117 mothers, to be exact—had the gene, according to DNA analysis.


    Researchers have apparently known that this gene exists for some time, although most work on it has focused on its connection to earwax: People with the rare gene variant are more likely to have “dry” earwax (as opposed to wet or sticky). Thus, one way to try figuring out if you’ve been blessed with stink-free armpits is to consider whether your earwax is uncommonly dry. It’s also been discovered that the non-stinky gene is more common in East Asian populations.


    Researchers still aren’t sure how the gene affects both earwax and sweat odor, but they believe it has to do with amino acid production. Rapidly growing bacteria give sweat its smelliness, and people with the rare gene variant appear to produce less of an animo acid that engenders bacteria growth.


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