The African Centre for Research and Information on Substance Abuse (CRISA) announces the Tenth in a series of highly regarded biennial international conference on drugs in Africa scheduled to take place in Abuja, Nigeria, in July 2012. The organizers invite you to this very important conference, which will focus attention on the social and cultural determinants of substance use and abuse in different African societies.  Interested researchers in various academic disciplines, policy experts, practitioners, activists, and students are encouraged to submit abstracts of papers for presentation at the conference.