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[HEALTH] · Canada, Germany, Italy, Mexico, New Zealand · 30 sources

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The Lancet: Digital media use linked to youth mental health risks

A series of research papers published in The Lancet indicates that problematic digital media use among youth is a significant public health issue. A global review of 121 studies involving nine million individuals under age 25 found associations between excessive digital engagement and increased risks of mental health issues, sleep disruption, and reduced physical activity.

Researchers estimate that excessive screen time may be linked to approximately 20% of depression cases and 15% of obesity cases in young people. Experts, including Jay Shaw from the University of Toronto, argue that the responsibility for protecting youth should shift from individual families and screen-time limits to tech companies and governments. They highlight that platform design choices, such as the ‘infinite scroll’ and engagement-driven algorithms, act as digital determinants of health.

While digital media can offer benefits like social connection and information access, the research suggests that the current business models of major technology companies prioritize data collection and user retention, which can exacerbate health risks. Experts are calling for coordinated global governance and increased transparency, urging tech companies to share data on how specific platform features impact user health.

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Digital Transformations for Health Lab · Jay Shaw · Louise Holly · The Lancet · University of Toronto

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