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Why Do Men Have Nipples?

Nipples we all got 'em obviously ladies need them to breast feed babies but why do us guys have them taking up valuable chest space so that we can have more body piercing options that we can experience the special torture that is chafing while jogging or are they just there to DuPont hungry infants earns out dudes have nipples because way back when we were tiny little embryos we were actually girls sort of your toughguy. Way in our modern human body the number invested you features like wisdom teeth that we don't need in useless tail bones but male nipples are different they aren't left over from some evolutionary event in the past when males used to breastfeed their artifacts have our own personal development. In the womb mammals go through a series of developmental stages as they grow from an I'd twinkle to with screaming infant the process goes zygote embryo fetus red-faced baby. Most babies are usually male or female girls with two X chromosomes and boys with an accident why does embryos we start out following a female blueprint before our hormones get serious about sex so our nipples actually develop before our sex is determined. Within the first several weeks a parent new courage is form on every embryo a thickening in the epidermis that runs from armpit to thought I eventually the structure is pulled back to form to nipples although a surprising number of people mostly guys end up with an extra supernumerary nipples.

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Somewhat along the original milk line even if they at think it's probably just the mall not a mall shortly after these nipples farm and maybe the Y chromosome a special sex determining genes which is on and declared the embryo official email kick-starting the development of male hormones and eventually male anatomy. But we get to keep the nipples interestingly enough not all male mammals have nipples take mice for example. In early embryonic development both males and females for mammary tissue but Yale University researchers found that a few days after that issue starts to form a special protein called PT HRP gets produced signaling different results in males and females. In female mice the protein stimulates those memory buds to grow into nipples and all the requisite not producing plumbing that comes with them but males it not only stops for their memory development it basically changes those cells into special receptors for the flood of male hormones that also start circulating. So the memory cells don't just stop developing actually degenerate and when a male mouse is born he has no trace oven of course all the changes during puberty when those estrogen waves start to stimulate mammary gland in breast tissue development in by a sex females argument still there so useless why do I have oMG what is operational male and female traits in a species or uncoupling tends to happen only if there's a good reason for it in terms of reproductive success evolutionarily speaking female breasts are essential to the survival of the species male nipples aren't but y mas was something that's so important to one section merely benign to another cell. Dudes don't have nipples because those features have been selected for in males but rather because simply they haven't been selected against not all trades have adapted explanations in the end male nipples are just a genetic byproduct of female breasts so maybe someday in the distant future my buddies and I will all look like and olives but I'm not holding my breath frankly I gotta like 'em it's like gods like cap Mike pics so hacked. Thanks writing this I showed us if you have any questions comments or ideas for us we're on Facebook and Twitter and on the comes blowing don't forget to get you to dot com slash sideshow and subscribe shield VIDEO:

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