Scientists were curious to find out if men with beards are more susceptible to balding!
Interestingly; one basic difference that bearded men had with all the other people was that their rate of sweat evaporation differed.
Their bearded area did not evaporate so much as their forehead, whereas, in the other groups, rates of sweat evaporation were identical. Scientists were suspicious about that fact, and the decided to keep track of these men for 10 years straight (now that's a geek life).
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