Physical Health
50% higher risk of obesity in adolescents who spend more than 3 hours a day on screens.
Excessive screen time is linked to reduced muscle tone, strength, and fitness levels in teenagers.
Long hours of screen use can cause physical changes in the brain, including reduced grey matter in areas linked to emotional regulation and impulse control.
Each additional hour of daily screen time increases the risk of myopia by 21%.
High screen use contributes to poor posture, musculoskeletal pain, and disrupted sleep, with up to 60% of teenagers reporting sleep difficulties linked to screen use before bed.