A major new study suggests that complete abstinence from social media may be just as harmful to adolescent mental health as excessive use. Researchers at the University of South Australia found that moderate engagement – less than two hours per day – is associated with the highest levels of wellbeing among teenagers and tweens. This challenges the common assumption that any social media use is detrimental, and adds nuance to the ongoing debate about screen time limits.
The “Goldilocks Hypothesis” for Digital Wellbeing
The longitudinal study, published in JAMA Pediatrics, tracked over 100,000 Australian students from grades 4 through 12 over three years. Researchers measured eight key aspects of wellbeing: happiness, optimism, life satisfaction, emotional regulation, and more. The findings suggest that there’s a “just right” amount of social media use – echoing the “Goldilocks hypothesis” where not too much and not too little yields the best outcome.
Heavy use (over two hours daily) correlated with lower wellbeing, but so did no use at all. The researchers theorize that complete avoidance can lead to stress, feelings of isolation, and fear of missing out (FOMO). This is particularly relevant as Australia has recently become the first nation to ban social media for children under 16, raising questions about the unintended consequences of such policies.
Age and Gender Matter: Nuances in the Data
The study revealed that the optimal level of social media use varies depending on age and gender. For girls in earlier grades (4-6), avoiding social media was linked to higher wellbeing. But as they entered middle and high school (7-12), moderate use showed a positive impact, while heavy use became detrimental.
Boys in the same age groups showed different trends: there was no significant difference in wellbeing based on social media use in early grades, but a decline in wellbeing was observed among those who remained completely offline as they got older. This suggests that social connection becomes increasingly important for boys as they mature.
Why This Matters: Beyond Simple Time Limits
The research highlights the limitations of simple “time-based” recommendations for social media use. The study’s authors argue that public health guidelines should shift toward promoting balanced and purposeful digital engagement. The question isn’t just how much time kids spend online, but how they spend it.
The study also addresses a critical gap in previous research, which often relies on cross-sectional data. By tracking participants over time, the researchers aimed to clarify whether social media causes poor wellbeing, or whether young people who are already struggling are more likely to turn to it for support.
While the study acknowledges limitations – including self-reported data and a focus on after-school usage – it underscores that both abstinence and excessive use can be problematic. The key takeaway is that navigating the digital world requires a nuanced approach tailored to individual age, gender, and circumstances.














