Overview
- This week a study published in the British Journal of Sports Medicine reported that an average of about 141 minutes of daily screen time in the days after a concussion was associated with a 35% faster rate of symptom resolution in adolescents.
- Researchers tracked 80 youths aged 11–17 until symptoms cleared or for up to 45 days and measured out‑of‑school screen use in the first week with a wearable camera that captured images every 30 seconds.
- The relationship was non‑linear: symptom resolution was fastest in a midrange of overall screen use (roughly 120–140 minutes daily), daily smartphone use of about 120–240 minutes and TV watching of about 60–120 minutes, while computer/tablet use and gaming showed no clear benefit.
- The authors caution the findings are associative only because the study is small and observational and did not record key factors such as screen content, brightness, timing of use, or in‑school screens, so the results cannot prove cause and effect.
- Clinicians and families may consider recommending limited, balanced screen use rather than strict 48‑hour avoidance, but larger, standardized studies and randomized trials are needed before formal guidance changes.