Whether it's sports practice, music lessons or a casual catch up with friends, when children are involved in after-school activities, they're more likely to feel happier and healthier than their counterparts who are glued to a screen. In a new study conducted by the University of South Australia and the Department for Education, researchers found that children's well-being is heightened when they participate in extra-curricular activities, yet lowered when they spent time on social media or playing video games. Published in BMC Pediatrics, the study analyzed data from 61,759 school students in years 4 to 9 (via the 2018 South...