Changes

}}</ref>, and this concept is one of the reasons behind the hypothesis that [http://intactipedia.org/index.php?title=Circumcision_and_HIV circumcision may reduce the risk of a male becoming infected with HIV from a female partner]. This Dutch study contradicts this idea, by stating that the Langerhans cells block [[HIV]].<ref name="de Witte-2007">{{REFjournal |last=de Witte |init=L |last2=Nabatov |init2=A |last3=Pion |init3=M |last4=Fluitsma |init4=D |last5=de Jong |init5=MA |last6=de Gruijl |init6=T |last7=Piguet |init7=V |last8=van Kooyk |init8=Y |last9=Geijtenbeek |init9=TB |date=DeWitte etal 2007-03 |title=Langerin is a natural barrier to HIV-1 transmission by Langerhans cells. |journal=Nat Med |volume=13 |issue=3 |pages=367-71 |url= |pubmedID=17334373 |DOI=10.1038/nm1541 |accessdate=}}</ref>.

== Unusual Medicine medicine ==