Semen also alters your brain

In line with the previous post on Oral contraception alters your brain, there is obviously research coming out that semen alters the brain and behavior. Here’s some excerpts from the article.

THERE’S more to semen than sperm. In many animals, seminal fluid alters both the bodies and sometimes even the behaviour of females. Human semen, too, triggers changes in the uterus, and might have wider effects on women, aimed at just one goal.

“It’s all about maximising the chances of the male reproducing,” says Sarah Robertson of the University of Adelaide in Australia. The effects are most striking in fruit flies: seminal fluid can make the females eat more, lay more eggs and be less receptive to other males.

[…]

Some of their findings were presented at the Society for Molecular Biology and Evolution conference in Vienna, Austria, last week, including their discovery that one of these proteins is a “master regulator” of genes. Females exposed to it show a wide range of changes in gene expression.

Chapman thinks this kind of seminal signalling is widespread in the animal world. The semen of people, pigs and mice affects the female reproductive tract, and the question is whether it can also produce behavioural responses in female mammals similar to those seen in fruit flies.

There have been claims that semen can do everything from making women sleepy after sex to strengthening the emotional bond with their partner. One 2002 study, based on a survey of 300 students, even found that women whose partners did not use condoms scored lower on a measure of depression.

If that effect is real, depression in some people might be treatable with artificial-semen suppositories. Gordon Gallup of the State University of New York at Albany, who carried out the study, says a PhD student of his has replicated the finding in a survey of 1000 women, but the results were never published.

[…]
It’s not clear whether any components of human semen get into the bloodstream, but it could be possible, particularly for small molecules like hormones, says Robertson. She has shown that seminal fluid induces expression of a range of genes in the cervix, including ones that affect the immune system, ovulation, the receptivity of the uterus lining to an embryo, and even the growth of the embryo itself.

As for seminal signalling, she thinks it’s more likely to be indirect, with semen causing the cervix to produce molecules that influence the rest of the body. Her team is studying the effect of three microRNAs – RNA fragments that affect gene expression – released by the cervix in response to semen.

Whatever the mechanism, both Chapman and Robertson say it’s plausible that semen could have effects on women well beyond their reproductive tract.

The depression one was pretty well known, but it’s interesting that there are more effects — potentially hormonal — that change women’s behavior beyond the pair bonding level. They probably act synergistically.

Anyway, simply another reason if you are going to marry to marry a virgin woman.

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11 Responses to Semen also alters your brain

  1. Pingback: Semen also alters your brain | Manosphere.com

  2. jack says:

    Sure says a lot why women who ride the carousel are a big risk for divorce. They can no longer single-source their semen doses. Once they’ve bonded chemically to many men, you’ve got a real problem. (Also explains why men do not have the same chemical bonding issues.)

    Tough to really want to have sex with your wife when you know she’s jonesing for just one more hit of alpha d— from that lacrosse player in college.

  3. donalgraeme says:

    Interesting. Not surprised. I suspect that further developments in this area will only reinforce that there are strong side effects from sexual activity (especially in women).

  4. “If that effect is real, depression in some people might be treatable with artificial-semen suppositories.”

    So gay men must be less depressed than the rest of us.

    Sorry, I couldn’t resist.

  5. Exfernal says:

    It might be a reason for why they were called ‘gay’ in the first place….

  6. Katherine says:

    This is one that for me , I’ll wait until I hear more information. What about women that aren’t sexually active, does that mean they are more depressed without getting a regular dose of semen…I don’t think so

  7. A Regular Guy says:

    Katherine,
    Why do you think lesbians are so stereotypically depressed and miserable? Go ahead, deny the sky is blue.

  8. ChildofRa says:

    So that means virgins are depressed then?

  9. Regular Guy says:

    No scientific studies I’ve found on that, but anecdotally, I would say the older the virgin, the greater the chance of suffering from societal anxiety.

  10. donalgraeme says:

    @ ChildofRa

    It might be that before a woman becomes sexually active her brain is wired so that she isn’t depressed. However, after she becomes active her brain changes so that she does need regular “dosages” to have a healthy brain chemistry.

  11. Bethany R says:

    I’ve never heard such nonsense in my life….another way Christian men try to control women….by their lies……well done Christian men…..I had sex before married….come and put a scarlet letter on me morons………..men become bonded……and women not…..depends on the individual…..I have no bond to my former relationships…..this is just another way for Christian men to be sexist and loathsome ………..this is why I left the fundie Christian lot…….

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