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PaperclipPerfector  1yr ago (text post)   2617 thread views

Wellness Wednesday for May 31, 2023

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It may have been on the reddit site -- the circumcision discussion always does seem to turn CW in a hurry so it could be hard to sift out.

You may be thinking of this SSC article. This was an entry in the "Adversarial Collaboration Contest" Scott hosted a few years ago.

Sensitivity and Sexual satisfaction

There is a highly plausible mechanism by which circumcision could reduce sexual sensitivity: the foreskin is highly innervated (20,000 nerve endings is often repeated, but this appears to be a case of citogenesis and is likely far too high), produces lubrication for the penis, and is sensitive to light touch. Several studies demonstrate that the foreskin is more sensitive to certain forms of nonsexual stimulation than other parts of the penis. The glans itself does not change in sensitivity from circumcision.

Sexual satisfaction, particularly in sexually active heterosexual men, seems to be unchanged with adult circumcision. During studies of adult circumcision for HIV prevention, in which large numbers of men were randomized to receive circumcision at the time of the study or after, sexual satisfaction of did not significantly differ between the two groups. On the other hand, a South Korean study of men circumcised as adults (as has become traditional there) found decreased pleasure from masturbation after circumcision. It is certainly possible that both these things are true – that masturbation is impaired by adult circumcision while intercourse is not. It is also possible that the Korean study (retrospective, smaller than the African studies, and with much higher rates of scarring than are observed in the US) was unrepresentative. There are two European studies which are frequently cited: cohort studies look at circumcised and uncircumcised men in Denmark and Belgium. However, circumcision is quite rare in these countries, and the majority of the circumcisions in the study groups were performed to correct problems such as phimosis. They are thus comparing men who had penile problems requiring surgical correction to men who did not; it is therefore unclear why they are frequently cited in discussions of elective circumcision.

No available studies actually measure sensitivity to sexual stimulation, which is of course an important topic – but one requiring consummate professionalism on the part of the researcher. We are left waiting for such a study, but in the meantime may reasonably fear that there is some decrease in at least masturbatory pleasure due to circumcision even though the evidence for this is weak. The evidence does not support any change in sexual pleasure otherwise.

Infant circumcision may be different than adult circumcision, in addition. If circumcision eliminates important nerves, due to brain plasticity infants are likely better able than adults to reassign the portions of the brain processing the foreskin to other areas of the penis. A large survey of circumcised and uncircumcised men in the US (where infant circumcision is the most common) found similar sensation in circumcised and uncircumcised men. The uncircumcised men appear to have had slightly higher incidences of sexual dysfunction. Also of interest, circumcised men appear to have an easier time obtaining oral sex, which may relate to subtle aspects of class or may have to do with the perceived cleanliness of circumcised penis.

No, it was well after that -- the usual argument was going on and somebody who'd been circumcised for medical reasons showed up to say it was NBD in terms of pleasurability of sex. Probably on Reddit.

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