Key points

A new study investigated the association of screen time for social media, gaming and TV and mental health.

The scientists also considered a large number of genetic influences on psychiatric disorders.

Adolescents who spent 3 to 4 hours or more watching screens had a higher chance of having a mental disorder.

Genetic influences explained a considerable amount of the association between screen time and mental health.

Is more screen time always bad for adolescents?

Parents are often concerned that too much screen time (e.g., time spent looking at social media apps on smartphones, monitors while gaming, or TV while watching series or movies) may negatively affect the mental health of their kids. There is indeed ample psychological research that supports this idea. For exam

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