A recent theory about human hairlessness cites parasites as the cause. Find out how parasites relate to hair -- and some fascinating facts about shaving habits -- in this podcast from HowStuffWorks.com.
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SMNTY Classics: Demystifying Disability
37:45

Listener Mail: July 2026
41:12

Happy Hour #227: SMNTY's All Aboard on Trains
17:10