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[–] Moodog 1 points 20 points (+21|-1) ago 

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[–] ElDulce 2 points 12 points (+14|-2) ago 

People need to read this article. The posted one is bullshit.

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[–] Dr_Shekel_Nigger 0 points 7 points (+7|-0) ago  (edited ago)

https://www.ncbi.nlm.nih.gov/pubmed/16084184

"Besides known pregnancies, other possible sources of male microchimerism include unrecognized spontaneous abortion, vanished male twin, an older brother transferred by the maternal circulation, or sexual intercourse"

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[–] Moodog 2 points 7 points (+9|-2) ago 

I went looking because the posted one appears to have been written by someone with a fourth-grader's understanding of human reproduction.

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[–] Dr_Shekel_Nigger 0 points 3 points (+3|-0) ago  (edited ago)

So that’s actually not the “source”, which is why I posted my link further below....or as it will be seen here, due to votes, the link “above”, rather. The source is in a link, however, in the article you posted. That’s one of at least 2 studies on this. In the study I posted, the researchers wrote that they concluded one of the likely sources is intercourse. The one to which your article alludes did not include intercourse as one of their “most likely” sources in their conclusion. Now did the first researchers and study say it and the second did not because of recent sensitivities and social justice, or because the researchers had information in one study that the other researchers in the other study did not? I don’t know, and we all don’t know. While I have a degree in behavioral neuroscience, I don’t know how reasonable it would be to conclude that sperm could be lipophilic enough to reach the brain and whether it could, and by which method of transport and mechanisms, reach the brain. I think that in theory, when I think about it, it sounds plausible, but difficult, that it could travel through the blood and perhaps pass through the blood brain barrier, but I’ve never looked at this particular research or mechanisms

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[–] weezkitty 2 points 3 points (+5|-2) ago 

The most likely source of male Mc in female brain is acquisition of fetal Mc from pregnancy with a male fetus. In women without sons, male DNA can also be acquired from an abortion or a miscarriage [22], [23], [38]–[40]. The pregnancy history was unknown for all but a few subjects in the current studies, thus male Mc in female brain could not be evaluated according to specific prior pregnancy history. In addition to prior pregnancies, male Mc could be acquired by a female from a recognized or vanished male twin [41]–[43], an older male sibling, or through non-irradiated blood transfusion [44].

[–] [deleted] 1 points -1 points (+0|-1) ago  (edited ago)

[Deleted]