Jacking Off Has Evolutionary Benefits Going Back 40 Million Years, Study Says
Masturbation is an "ancient trait" in the world of primates, including humans, according to a study that looked at how self-pleasure helped us evolve.
Source: vice.com
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Masturbation is an "ancient trait" in the world of primates, including humans, according to a study that looked at how self-pleasure helped us evolve.