Quote:
Originally Posted by user45692
ppl used to scare others in their youth to sway them away from doing the solo-deed. There is no medical proof that jacking/fingering causes blindness, internal bleeding, etc. lol
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There is one link for the 'masturbation causes blindness' myth.
Zinc deficiency can cause blindness - however unless you cum buckets upon buckets each time, it won't be enough to get close to a deficiency
