Discussion of everything related to the Theory of Evolution.
That's a lot of knowledge for someone either incapable, or simply too lazy, to bother with grammar. Impressive.
“Ignorance more frequently begets confidence than does knowledge: it is those who know little,
and not those who know much, who so positively assert that this or that problem will never be solved by science.”
Charles R. Darwin (1809-1882)
I have a friend who had a friend (male) that could lactate. I guess he had a tic or something where he was cosntantly stimulating his nipples from a young age, and in his teenage years he was actually able to lactate. This is all hearsay of course , but wow...
What did the parasitic Candiru fish say when it finally found a host? - - "Urethra!!"
Yes, men can breastfeed their infants. The male mammary gland is simply dormant--but not that dormant.
The structure of the male and female breast is essentially the same. There is some controversy as to whether mammary glands are not simply sweat glands that expand and develop more alveoli buds as the breast produces lactose when stimulated with prolactin--the hormone produced primarily during pregnancy and one that is necessary for milk production. Also because of testosterone, the male breast does not have as many lobes (mammary gland tissue) as the female breast has. However, again as was stated earlier, because of the controversy around the mammary gland it is thought that it can only remain a sweat gland in men, therefore it is often forgotten that these lobes do expand and do develop more alveoli when there is a spike in prolactin. The lobes of the mammalian breast are part of the duct system which pushes the milk through to the nipple; the alveoli produce colostrum which contain necessary anti bodies for the maturing infant. So, when you hear the expression, the size of the breast doesn't matter, a woman can still successfully breastfeed her infant, the same would also apply to the male breast--the main difference being the hormone prolactin, which as stated earlier stimulates milk production.
So, let's review: the male and the female breast have essentially the same parts, the difference is that the male breast does not have as many lobes (mammary gland tissue) as the female breast because testosterone acts as a suppressant of breast tissue production. What is forgotten is that the mammary gland can actually grow and develop when there is a large prolactin spike most usually brought on by pregnancy.
The next logical assumption is that women only experience this spike in the production of prolactin because of pregnancy. Again, it is often forgotten that male partners, living in close proximity to their pregnant partner too experience a spike in prolactin. Depending on the emotional involvement of the male partner, he will start to experience sympathetic pregnancy symptoms called "couvade". Very close to the birth of their child, men also have a spike in prolactin--it has other effects on the system besides simply producing milk. It readies the family for the parental instincts necessary to support a new infant. Male and female eagles experience high levels of prolactin when their brood hatches--and these creatures cannot breastfeed.
Thus, new fathers have been known to “will” themselves to produce milk, get so freaked out that it is easy and thus the milk production stops. The production of milk by the human breast is as much a biological phenomenon as it is a parasympathetic one. If a man decides he does want to breastfeed his infant, the amount of milk his breast will produce depends on the amount of time the baby stays at the nipple suckling. One thing that is important to remember, if men do choose to breastfeed, they shouldn't be the primary breast feeder of all his children. There is an increased risk of developing cancer in men because of the testosterone suppression. Men are the backup function--nature's way of ensuring the species survival. Also, for the vainer inclined—the breast does almost return to the same shape—“almost!”
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