As is known, HIV unprotected anal sex transmitted through micro cracks resulting from penetration of the penis into the anus. Rightly believes that a sufficient amount of lubricant reduces the discomfort and reduces the number of microcracks. However, the lubricant can not be considered as a reliable protection HIV . On the contrary, it increases the risk HIV infection at anal sex .
Just two studies have shown that the use of lubricant It may increase the risk infection HIV from one partner to another. Especially this risk increases if the anus of the partner already living other pathogenic infections. So in the course of the study that has engulfed the 900 men and women living in Los Angeles and Baltimore, it was found that the gel grease increases the risk of HIV infection and other STDs three times.
Researchers were not told exactly what lubricants are the most dangerous, but 76% of the trials used a water-based lubricant, 18% of a silicone-based, 6% on an oil basis.
In the second study, conducted by researchers from the University of Pittsburgh, it has been studied sexual health of nine thousand men and women in 100 different countries. All of them use a water-based gels, and only one product was made using silicone. The researchers did not test the efficacy grease during real sex, experiments were carried out under laboratory conditions. It turned out that some lubricants have a toxic effect on cells and rectal tissue. Perhaps this is the result of the dissolution of salts and sugars which have been used in their manufacture.
Scientists said that the final conclusions on the basis of these two small studies can not be done. And all hypotheses need further verification.
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