20101001_rev01 → 20101104_rev01COLOUR MARKS THE SEVERITY OF A FLAGGED CLAUSE · + AND − MARK ADDED AND REMOVED
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### Sexual Conditions Overview
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Sexual conditions, such as STDs and sexual problems, need a medical evaluation and treatment. Frequently, there are no STD symptoms, although there's sometimes a discharge from the vagina or the penis and burning or pain during urination. Doctors use STD tests to diagnose sexually transmitted diseases such as chlamydia, gonorrhea, syphilis, and trichomoniasis. Whereas STD treatment can help resolve these sexual conditions, practicing safe sex can prevent STDs.
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[1 in 5 Gay/Bi Men Have HIV, Nearly Half Don't Know](http://www.webmd.com/hiv-aids/news/20100923/1-in-5-gay-bi-men-have-hiv-nearly-half-dont-know)
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1 in 5 gay/bisexual men in the 21 U.S. cities hardest hit by AIDS have HIV infections -- and nearly half don't know it, a CDC survey finds.