duranman
Literotica Guru
- Joined
- Oct 18, 2011
- Posts
- 2,207
Experiments time after time with humans and animals have shown, that with the obvious exception of std's, having myriad partners, bareback, significantly builds up a resistance to the germs that cause colds, flu and various diseases. I know many of you were probably aware of this but recent research apparently shows tests were actually understated in the past. Not enough research has been done on females to see if that is also the case but it's highly likely.
What do you think this tells us?....
What do you think this tells us?....