Study of 25,000 Teens Questions Direction of Link Between Social Media and Mood

What the Study Found

Researchers followed a large cohort of early adolescents, recording their social media use, gaming frequency, and symptoms of anxiety and low mood over time. Rather than confirming that more screen time straightforwardly causes worse mental health, the data suggested that changes in mood and anxiety often preceded changes in social media and gaming habits, rather than following them.

How This Fits With Other Research

Other large surveys have found that teenagers who spend more than three hours a day on social media report higher rates of depression and anxiety symptoms, and public health guidance has highlighted social media as a potential risk factor for youth mental health. Researchers and professional organizations note that the effect of social media on any individual young person depends on factors such as the platform’s design, the content viewed, and what else is happening in that person’s life.

What This Research Does Not Prove

This kind of observational research cannot fully separate cause from effect, and different studies using different methods have reached different conclusions about the direction and strength of the relationship between social media use and youth mental health. It does not mean social media use is risk-free, nor does it rule out that heavy use can worsen symptoms in some young people.

Which Professional to See

A pediatrician or family physician is a reasonable starting point for concerns about a child’s or teenager’s mood, sleep, or behavior. A child and adolescent psychologist or psychiatrist can provide a more in-depth evaluation if symptoms of anxiety, depression, or other concerns persist.

Questions to Ask

Parents and caregivers may find it useful to ask: Could my child’s mood changes be connected to how they are using social media or gaming, or could their online habits be a response to something else going on? Are there specific patterns of use, such as late-night scrolling, that seem to affect my child’s sleep or mood? What screen-time approaches are supported by evidence for a child of this age?

Bottom Line

Emerging research suggests the relationship between social media use and adolescent mental health may run in both directions, with mood sometimes shaping online habits rather than the reverse. This does not eliminate the need for thoughtful limits on screen time, but it supports a more individualized approach that looks at a young person’s overall wellbeing rather than screen time alone.

Related Topics

Related reading: Major Depressive Disorder