Is the foreskin circumcised or not?

As the old saying goes, "the body has the skin, and the parents accept it." In ancient Chinese culture and customs, the "directional transformation" of the body is limited to tattoos, foot-binding or ear-piercing. But in other parts of the world, such transformations tend to be more intense magic wands , especially genital mutilation. Male circumcision is medically called circumcision (Circumcision). The ancestors of the Jews wrote circumcision in the Talmud, and every Jewish boy was circumcised on the eighth day after birth, which is the status symbol of Jewish men. Circumcision does not appear in the Koran, but Islam also has this custom. According to the World Health Organization (WHO), about 30% of the world's men have been circumcised, and more than 2% of them are Muslim. A pair of earthly enemies of life and death, unexpectedly, reached an agreement on the "root". More interestingly, when Alexander the Great unified the country, he banned Islamists from circumcising, because the ancient Greeks believed that men were not naked when they took off their clothes, but only when the foreskin was turned down to reveal their glans. Circumcision is tantamount to leaving men naked forever, which is not allowed. So, why do the ancestors always like to have a problem with the foreskin? Modern people have many explanations for this. Some people think that circumcision is a boy's bar mitzvah, which means "opening the bag". Some people think that bathing is inconvenient in ancient times, and circumcision is helpful to cleanliness and hygiene. However, thinking of the fact that some ancient tribes circumcised women almost certainly to suppress their libido huge ass , many historians believe that male circumcision must also have something to do with sexual ability. Ronald, an American historian? Ronald Immerman once wrote that circumcision is to suppress men's sexual desire so that they can devote more of their energy to hunting or fighting with other tribes. Immerman's theory seems plausible because the prepuce is so rich in nerve endings that it's hard to imagine that they don't respond to sexual stimulation. Some people even analyzed the physical movement of the penis during sexual intercourse and concluded that the prepuce is equivalent to a movable buffer layer, helping to reduce vaginal friction during sexual intercourse, so that women with insufficient secretion of love fluid will not feel pain. However, this school of thought was strongly opposed by circumcision advocates. They also found a lot of experimental data and statistical results to prove that circumcision has no effect on libido and does not pose a threat to women's physical and mental health. Unfortunately, humans will probably never know the answer to this question, because it is difficult for scientists to design an accurate and unbiased controlled trial. Most circumcision occurs when men are boys, and it is impossible for them to compare the quality of their sex life before and after surgery. The sexual controversy did not affect the popularity of male circumcision dildo fucking , which was finally popularized in some Western countries by an unexpected discovery in the 19th century. In 1870, a plastic surgeon in New York cured the paralysis of a little boy by circumcision. This case caused a great sensation at that time and attracted many imitators. Some imaginative doctors even summed up a theory-reflex neuropathy (Reflex-neurosis), which holds that the neuropathy of the reproductive organs can affect the normal development of the main nervous system, so at that time many strange diseases were cut off, and if the disease was cured, the credit was attributed to circumcision. Of course, later medical developments overturned this hypothesis. Now doctors are more inclined to think that inflammation caused by unhygienic prepuce is the real culprit. Obviously, this reason is not enough for parents to continue to deprive their children of the right to have the foreskin, but new evidence has emerged in due course. Scientists have found that people who are circumcised are less likely to develop penile cancer than those who are not circumcised, calculating that every 3000 circumcision reduces the risk of penile cancer by one. As a result, many male hospitals began to promote the benefits of circumcision under the guise of "reducing the incidence of penile cancer". However, many scientists have pointed out that the incidence of penile cancer is already very low, and it is not cost-effective to prevent penile cancer by circumcision. In addition, many of the relevant data are calculated by circumcision advocates, and the method is wrong. According to the new calculation, about every 300000 circumcision can reduce one case of penile cancer. What has really reached a consensus in the medical community is the benefits of circumcision in the prevention of infectious diseases, and there have been many experimental reports in this regard. In 1950, several British scientists used keyword search to find all the relevant papers from 2005 to 2004, put the data together for statistical analysis, and concluded that circumcision can indeed reduce the spread of sexually transmitted diseases such as syphilis and herpes. Inspired by this, AIDS researchers began to try circumcision in southern Africa to prevent the spread of AIDS. as a result, all large-scale trials were stopped ahead of schedule, because preliminary analysis showed that circumcision could at least reduce the probability of transmission by half. If this kind of experiment goes on, it is too inhumane for the men in the control group. Why does circumcision have such a magical effect? Australian scientist McCoombe compared the thickness of the Keratin layer in the prepuce and other parts of the penis and found that the thickness of the keratin layer in the inner layer of the prepuce was the thinnest. Keratin is thought to prevent epidermal cells from absorbing foreign pathogens (such as HIV). Without the protection of keratin, the foreskin becomes the door for the virus to invade the body. However, many scientists have expressed concern about the results of the study. First of all, even if the circumcision, still can not 100% put an end to HIV transmission, but may make those men without the foreskin think that they are invulnerable from now on, the result will be even worse. Second deep anal dildo , human trials in Africa have shown that many men force their girlfriends to have sex before the wounds left by circumcision have healed, putting their girlfriends at greater risk. In short, the example of circumcision fully illustrates that when science encounters religion, or some ancient cultural custom, it is often difficult to win, because it is difficult for scientists to remain neutral, and human nature in real society is far more complex than the laws of science.
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