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Why do we have earwax?



You pull out your earphones and are confronted by a familiar, if icky, sight: earwax. All it seems to do is dirty your listening devices, block your ears, cause discomfort and — in severe cases — obstruct hearing. But could this gooey nuisance actually serve a beneficial purpose? 

The science tells us that the crud you wipe off your earphones is actually important for your ear health, and you may unwittingly harm yourself if you try to extract it.

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