Some biologists speculate that by sporting a beard, a man is advertising that his immune system is so healthy that he can carry around colonies of germs with no ill effects. A heavily bristled face gives women their scratchy, sexy fix but may offer some reassurance that the hair they’re nuzzling is still relatively sanitary–or at least that the guy on the other end of that stubble is healthy.
Of course plenty of people say that those who insist that beards are bacteria-infested cesspools are full of at least as much crap as the facial hair they’re criticizing. After all, they say, our bodies–inside and out–are practically covered with creepy crawlies of one sort or another (and for the most part, they’re actually good for us).
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