Digital Media Use Linked to Young People's Health Issues, Study Finds

A large meta-analysis published in The Lancet has identified significant negative links between digital media use and the health of young people. The study, which analyzed data from nine million individuals under the age of 25, involved experts from ten countries and examined existing research on the effects of digital harms on physical and mental well-being.

The review found consistent associations between problematic digital media use—characterized by addiction-like patterns rather than mere screen time—and various health problems. General screen time was linked to obesity, nearsightedness, lower back pain, and increased cardiometabolic risk across different age groups. For younger children, higher screen time was associated with poorer socio-emotional and cognitive development, increased anxiety and depression, and reduced sleep quality.

Among adolescents, specific digital engagement patterns were connected to reduced quality of life, sleep disturbances, decreased physical activity, non-suicidal self-injury, suicidal ideation, and substance use. The meta-review indicated that over three-quarters of reported exposure-outcome associations were adverse, although it also noted beneficial uses like educational content viewing with caregivers.

Authors of the series stressed the difficulty in establishing direct cause-and-effect relationships due to limitations in self-reported data. They are advocating for government intervention, including requiring technology companies to share valuable user data with vetted researchers, as a lack of access hinders scientific progress and independent scrutiny. A key recommendation is for governments to mandate data sharing from tech companies for public interest research.

The researchers propose a public health approach to regulating digital media, arguing that isolated measures like app age limits are insufficient. They compare technology companies' tactics to those of the tobacco and fossil fuel industries in resisting regulation. The study urges listening to young people, supporting families, and developing novel research methods to better understand the complexities of digital media engagement.