BMJ Group Jun 9 2026 Moderate screen time in the first 3 days after concussion is linked to faster recovery, with an average 141 minutes of daily use speeding up symptom resolution by 35%, finds a study of 80 concussed teens published online in the  British Journal of Sports Medicine . Recovery above or below this seems to be slower, the findings suggest, prompting the researchers to conclude that rather than total avoidance, a balanced level of use may be helpful. Prolonged or intense use of