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PITTSBURGH, May 23 – The risk of acquiring HIV through unprotected anal sex is at least 20 times greater than with unprotected vaginal sex and increases if other infections are already present in the ...

Fun fact: K-Y Jelly, one of the most popular lubricant brands on the market, was created in 1904 and used not for sex, but as a surgical aid. When people did catch on that this jelly could be used in ...