Evidence from a variety of cross-sectional, longitudinal and empirical studies implicate smartphone and social media use in the increase in mental distress, self-injurious behaviour and suicidality among youth; there is a dose-response relationship, and the effects appear to be greatest among girls.• Social media can affect adolescents' self-view and interpersonal relationships through social comparison and negative interactions, including cyberbullying; moreover, social media content often involves normalization and even promotion of self-harm and suicidality among youth.• High proportions of youth engage in heavy smartphone use and media multitasking, with resultant chronic sleep deprivation, and negative effects on cognitive control, academic performance and socioemotional functioning.

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It is time to move beyond education about qualitative research theory and methods to using them to understand and improve psychiatric practice. There is a good fit between this agenda and current thinking about research use that broadens definitions of evidence beyond the results of experiments. This paper describes a qualitative program evaluation to illustrate what kind of useful knowledge is generated and how it can be created through a clinician-researcher partnership. The linkage and exchange model of effective knowledge translation described involves interaction between clinicians and researchers throughout the research process and results in mutual learning through the planning, disseminating, and application of existing or new qualitative research in decision making.