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xssve -> RE: Let's talk about lube free anal (3/24/2011 6:45:47 AM)
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Anal does carry higher risk of infection, due to the factors mentioned, it's possible to be infected from oral, but the mouth and digestive tract is an an extremely hostile environment to anything organic, it's sole purpose is to destroy and digest foreign substances and objects - to a lesser extent, the vagina is also adapted to dealing with foreign objects (the penis) - bottom line is, HIV has to cross into the bloodstream, the only natural lube in the colon is plasma, it's not a mucous membrane, and the skin is very thin, part of what makes it a more intense feeling for some, there are a lot of nerves and they're very close to the surface, but it also means it's more susceptible to tears and abrasion under rough use.
But yes, the virus has to be present in order for infection to occur, i.e., in a private arrangement, knowing the risk factors of your partner/s, the risk is nil.
The high rate of HIV transmission among gays historically, has as much if not more to do with intervenous drug use as anything - prostitution being a common way for drug addicts to support their habit, the combination is naturally going to increase ones risk profile dramatically, it's also thought that the sheer stress of being homosexual in an intolerant society also incentivizes the use of drugs and alcohol, all of which is likely to affect judgment and increase risks for everybody, across the board by concurrently incentivizing deception.
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