'Crystal Meth' Use Boosts STD Rates Among Gay Men Thu Mar 11, 11:47 PM ET By Randy Dotinga HealthDay Reporter THURSDAY, March 11 (HealthDayNews) -- Crystal methamphetamine -- or "speed" -- seems to be a driving factor behind higher rates of sexually transmitted disease among gay and bisexual men. In one study from San Francisco, gay men who visited a health clinic were twice as likely to be infected with the AIDS virus if they had recently used the illegal drug. And they were nearly five times as likely to be diagnosed with syphilis. Armed with the new statistics, federal...