David J Vance: Male circumcision and HIV: Non‐blindedness and biases in RCTs;

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    • David J Vance: Male circumcision and HIV: Non‐blindedness and biases in RCTs;

      Male circumcision and HIV: Non‐blindedness and biases in RCTs; female preferences; penile sensitivity, satisfaction and ambient stimulation; risk compensation; acceptance of insufficient condom use and personal hygiene and related externalities
      The potential of non‐ blindedness in studies and in societies, to effect things like reporting bias and subjective and actual sexual and behavioural outcomes is very generally very poorly understood and insufficiently included in analysis and projection of outcomes. Risk‐adjustment / disinhibition, such that circumcised men react to the partial protection of circumcision against HIV infection by engaging in riskier sexual behavior than they would have otherwise is almost certain to occur to substantial extent in most contexts.
      It seems very likely that circumcision does result in keratinization/ cornification of the glans, and also removes sexually‐sensitive skin, both of which result in reduced intensity of coital pleasure, notwithstanding the various benefits of this in prolonging the coition.
      Already even uncircumcised men prefer coition without a condom due to the greater intensity of sexual sensation, and it is logical that this preference for coition without a condom would be greater in circumcised men.
      gjmedph.com/uploads/R2-Vo7No1.pdf
      Deutscher Bundestag 2013: "Mädchen sind toll, so wie sie sind. Und niemand hat das Recht ihnen weh zu tun und an ihrer Vulva etwas abzuschneiden"
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