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Danish Study Shows Extra Screen Time Heightens Teens’ Cardiometabolic Risk

French media attention to the findings is intensifying policy debates over stricter limits on youth screen time.

Overview

  • The Journal of the American Heart Association published the Danish cohort study on August 6, analyzing over 1,000 participants aged 10 and 18 in Denmark.
  • Researchers found that each additional hour of daily screen time was linked to higher markers of hypertension, high cholesterol and insulin resistance.
  • The incremental risk per screen hour was more pronounced among 18-year-olds than 10-year-olds.
  • Shortened sleep duration amplified the cardiometabolic risk associated with extended screen use.
  • France’s July decree banning screens for under-3s in micro-crèches has prompted consideration of broader home-based screen restrictions.