Study cites variety of factors for ongoing problem
Meth, cocaine use examined among MSM
Fewer than half taking prescriptions
More than a million lives could be saved: claim
Sept. 29 event to showcase pros, cons of drug
Pot, poppers and Viagra common in Brit participants
Three new cases cited
1 in 12 gay men reported infection
Aimed at reducing HIV infection during 'chemsex'
Effort aimed at boosting HIV prevention
