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The Scent Of Your Earwax May Yield Valuable Information

• popsci.com
 

As an Asian lady, I can't get over that people of African and European descent have moist earwax. I learned this years ago. I still can't get over it! I assumed everyone had earwax like me, so it was just too weird to learn otherwise.

Don't know what I'm talking about? In 2006, scientists discovered there is a gene—indeed, a single letter in all of human DNA—that determines whether people have wet or dry earwax. People of African and European ethnicity usually have the wet type. Nearly all people of Native American and East Asian ethnicity have the dry type. 

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