If you're a woman or gay man, the guidelines for STD testing are clear cut—but they don't exist if you're a straight man. We asked a doctor to explain why.

Chinese gay men who were offered a free STD test and then asked to donate to the testing of another man were 48 percent more likely to get tested than men offered the standard of care, UNC ...

This local program offers free chlamydia and gonorrhea testing and treatment in New Orleans to young black men who have sex with women.