Drugand Alcohol Dependence is an international journaldevoted to publishing original research, scholarly reviews, commentaries, andpolicy analyses in the area of drug, alcohol and tobacco use and dependence.Articles range from studies of the chemistry of substances of abuse, theiractions at molecular and cellular sites, invitro and in vivo investigationsof their biochemical, pharmacological and behavioural actions, laboratory-basedand clinical research in humans, substance abuse treatment and preventionresearch, and studies employing methods from epidemiology, sociology, andeconomics.