#TurntTrending: a systematic review of substance use portrayals on social media platforms.

"data s1 supporting information click here for additional data file."

"DECLARATION OF INTERESTS The authors have no competing interests to declare."

"Funding information Commonwealth funding from the Australian Government Department of Health under the Drug and Alcohol Program."

"This review was designed in alignment with the Preferred Reporting Items for Systematic Review and Meta‐Analysis (PRISMA) guidelines [] and pre‐registered on PROSPERO (ref: CRD42021291853). Methods: This systematic review was pre‐registered on PROSPERO (ref: CRD42021291853). A comprehensive search was conducted in the databases of PubMed, Scopus, PsycINFO and Web of Science in April 2021. Original qualitative studies published post‐2004 that included thematic and sentiment analyses of social media content on tobacco, alcohol, psychostimulant, e‐cigarette, cannabis, opiate, stimulant/amphetamine, inhalant and novel psychoactive substance were included. Social media platforms were defined as online web‐ or application‐based platforms that allowed users to generate content and interact via ‘liking’, comment or messaging features. Only studies that included summative and/or thematic content analyses of substance‐related social media content were included."