I think we all know why the female primate species has nipples, but why do males? What are your ideas?
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Males have nipples because they get half their genetic makeup from females. In the early part of gestation every primate is female and then about half
turn into males and the other half remain female. Testosterone prevents those nipples from developing into breasts in most males, though there are
medical conditions that can cause breast production in some men called gynoplastia.
The short answer: Males have nipples because females have nipples.
EDIT - This is not only in primates. If you have a male cat or dog at home, pet away the fur on its belly and you'll see very small nipples.
[edit on 20/2/2006 by anxietydisorder]
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If you suck on male nipples long enough they will start to lactate... the basic stuff is there.
tho I have never done this myself to prove it
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no way? Is that accurate? I am going to keep that in mind for when I have kids. No reason that i have to bear 100% of the burden!
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I hear in some species of bats the males tend to lactate as well. Incidentally there is also a higher incidence of homosexuality in that species of
bats.
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From an evolutionary standpoint, nipples are basically modified sweat glands.
I have an anthropologist friend who told his girl-friend that, and it ended the relationship (she was a bit flat-chested.)
If you ask why men have nipples from a personal viewpoint, I'd have to say it is so they can up the intensity of sexual intimacy.
"And God looked upon what he had made, and God called it very good."
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