The social context of drinking, drug use and unsafe sex in the Bostoy Young Men Study.

Presents a study which evaluated the relation between drinking, drug use and unprotected anal intercourse in young men who have sex with men only. Details on efforts to promote behavioral change to reduce human immunodeficiency syndrome (HIV) transmission; Methods used in the study; Information on the characteristics of men whose unsafe behavior increases after drinking; Results of the study; Discussion on the study.