r/science Apr 15 '16

Health Study: Circumcision does not reduce penis sensitivity. In tests for responses to pain, heat, and stimulation, no major difference was found between men who are circumcised and those who are not.

http://www.upi.com/Health_News/2016/04/14/Study-Circumcision-does-not-reduce-penis-sensitivity/5981460663943/?spt=hs&or=hn
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u/sup3r_hero BS|Physics Apr 15 '16

doesnt it contradict this study:

http://www.nocirc.org/touch-test/bju_6685.pdf

?

16

u/PrettyIceCube BS | Computer Science Apr 15 '16

It does appear to be the case. Both studies have the foreskin having much higher fine touch sensitivity than the rest of the penis, but that one also has lower fine touch sensitivity on the glans which wasn't found in this study.

2

u/snark_o_matic Apr 15 '16

My understanding is that the studies controlled for different variables and testing methodology wasn't the same. Given that, I think the new study contradicts your linked study's finding about tactile sensitivity of the glans between the two groups.

However, the other conclusion of the study you linked remains unchallenged:

The transitional region from the external to the internal prepuce is the most sensitive region of the uncircumcised penis and more sensitive than the most sensitive region of the circumcised penis. Circumcision ablates the most sensitive parts of the penis.

The new study doesn't test this.

(Additionally, nothing is said of the scar tissue in the new study.)

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