The WHO conducted a study on the physical activity levels of adolescents aged 11 to 17 across 146 countries over 15 years. The study found that 81% of adolescents worldwide are not getting enough exercise, with technology and unsafe transportation contributing to inactivity. The study also highlighted a significant gender gap, with girls being less active than boys, particularly in the US and Ireland. To address this, the WHO suggests social marketing campaigns and community-based interventions to improve activity levels among girls.

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