Social media can help teens stay connected, find support, learn, and explore interests. It can also expose some young people to harmful comparison or content, harassment, and distractions that crowd out sleep, exercise, schoolwork, or in-person activities. Neither outcome is inevitable: effects depend on the teen, what they encounter online, and how social media fits into their life. Current evidence does not establish that social media causes changes in adolescent health at the population level.
What the evidence can—and cannot—tell us
The National Academies of Sciences, Engineering, and Medicine reviewed published research in its December 2023 highlights document. Its conclusion was: “The committee’s review of published literature did not support the conclusion that social media causes changes in adolescent health at the population level.” The report describes the observed effects as small and associations as weak, and says positive and negative experiences may both contribute.
This is not proof that social media never harms a teen, or that it is harmless for every individual. It means the reviewed evidence does not justify a broad causal claim about adolescents as a population. A link between heavier use and a health outcome does not, by itself, show that social media caused that outcome: the direction may be unclear, and teens’ experiences and circumstances differ. The committee also noted that studies use nonuniform methods and that nearly constant exposure makes use difficult to measure consistently.
Some survey comparisons illustrate why the findings deserve attention without being mistaken for proof of cause. An American Psychological Association article published April 1, 2024, summarizing a Gallup survey conducted June 26–July 17, 2023, reported that 41% of teens in the survey’s highest social-media-use group rated their overall mental health poor or very poor, compared with 23% in the lowest-use group. The APA summary also reported suicidal intent or self-harm in the prior 12 months for 10% of the highest-use group and 5% of the lowest-use group, and poor body image for 17% and 6%, respectively. These are group comparisons from a survey, not evidence that use caused those outcomes.
The APA’s May 2023 advisory says findings do not apply equally to all young people and notes limited long-term research and relatively few studies involving marginalized youth or youth with chronic developmental or health conditions. The National Academies also calls for more long-term research and better measures. The evidence is therefore best read as a reason to pay attention to individual experiences, not as a basis for a universal verdict or a guaranteed time limit.
Ways social media may benefit teens
For some adolescents, social media provides a convenient way to maintain relationships with friends and family. It can also help young people find companionship, emotional support, and people with shared experiences. The National Academies highlights potential value for LGBTQ+ teens and for young people facing illness, bereavement, or mental-health challenges, including access to supportive communities that may be harder to find offline.
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Social platforms can also expose teens to educational resources and help them develop hobbies, interests, and creative projects. The benefit depends on what a teen uses and encounters; access to supportive or informative content does not mean every platform experience is beneficial. The APA advises encouraging uses that foster social support, companionship, and emotional intimacy.
Risks and experiences to watch for
Comparison and harmful content
Content that invites unfavorable comparison may affect how some teens view themselves or their bodies. The APA recommends minimizing exposure to material that promotes or instructs self-harm, harm to others, or eating-disordered behavior, as well as content involving discrimination, prejudice, hate, or cyberbullying. Exposure and impact vary; these are risks to address, not outcomes to assume for every user.
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Online harassment can be distressing and may spill into a teen’s relationships and daily life. The National Academies calls for better platform transparency and improved systems for reporting, following up on, and adjudicating harassment and bullying. Reporting tools and adult support can help address a problem, but responsibility should not rest solely on teens and families.
Distraction and displacement
Social media can distract from studying or other tasks. The concern is also what use may replace: sleep, physical activity, in-person social activities, or other routines that matter to a teen’s well-being. The APA recommends limiting use when it interferes with sleep or physical activity and watching for problematic use that disrupts everyday roles and routines. The cited sources do not establish one number of hours that is right for every adolescent.
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Fit access and guidance to the teen
The APA recommends tailoring social-media use, permissions, and functionality to a young person’s developmental capabilities. For early adolescents—typically ages 10–14 in the APA advisory—it recommends adult monitoring through review, discussion, and coaching for most use. That guidance should be balanced with appropriate privacy, with autonomy increasing as maturity and digital literacy develop. Monitoring is not a substitute for platforms addressing harmful design or content.
Talk about the experience, not just the minutes
Ask what a teen is doing online, how it makes them feel, and whether it is affecting sleep, physical activity, schoolwork, relationships, or other routines. Help them recognize harmful or misleading content, respond to harassment, and seek trusted support when something online feels unsafe. These conversations can reveal whether a particular use is supportive, neutral, or disruptive without assuming that all use has the same effect.
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The National Academies recommends a comprehensive K–12 media-literacy education program and ongoing teacher training. Such education can help students assess online information and understand the digital environments they use. The report also emphasizes platform transparency and stronger systems for addressing bullying and harassment: safer experiences require attention from platforms and institutions as well as guidance at home and school.
Why a single rule cannot fit every teen
APA President Thema Bryant, PhD, put the central point this way: “Social media is neither inherently harmful nor beneficial to our youth.” A practical approach should consider whether a teen’s use supports connection, companionship, or learning; whether it exposes them to harmful content or harassment; whether it disrupts sleep, activity, or responsibilities; and whether privacy and independence are appropriate for their age and maturity.
The APA advisory reflects evidence available through April 2023, while the National Academies highlights are dated December 2023. Platform features and young people’s experiences continue to evolve, so the recommendations are guidance rather than a promise that any single rule will produce a particular health outcome.
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