2013 was another highly successful year for NDARC in terms of research output, as the pages of this report demonstrate. A number of new projects commenced in 2013 having successful received NHMRC funding in 2012 – these include the Centre of Research Excellence in Mental Health and Substance Use; development and evaluation of internet programs to treat depression and binge drinking in young people; an investigation into the cost benefit of health interventions for heroin use; and an evaluation of the effectiveness of behavioural activation therapy to treat depression among injecting drug users.