Pills before and after sex can help prevent HIV, study finds

FILE - In this Thursday, May 10, 2012 file photo, a doctor holds Truvada pills at her office in San Francisco. A study released Tuesday, Feb. 24, 2015 shows that the drug, used to treat HIV infection, also can help prevent it when taken before and after risky sex by gay men. The study, done in France and Canada, is the first to test "on demand" use of Truvada, a pill combining two AIDS drugs, by people planning to have risky sex. The uninfected men who took it were 86 percent less likely to get HIV compared to men given dummy pills. (AP Photo/Jeff Chiu)SEATTLE (AP) — For the first time, a study shows that a drug used to treat HIV infection also can help prevent it when taken before and after risky sex by gay men.



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