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A new study has shown that limiting children's screen time to two hours a day can improve brain function.
The study, published by Lancet Child and Adolescent Health, examines approximately 4,500 children aged 8 to 11 and compares their sleep schedule, exercise and time to national guidelines for child health. According to the guidelines, children in this age group should not spend more than two hours in front of a screen, should sleep between 9 and 11 o'clock and should do at least one hour of physical activity a day.
The researchers found that of these 4,500 children, only 5% met all of the suggested guidelines.
The study found that only 51% of children had the recommended sleep time, 37% recommended screening time and 18% satisfied the physical activity requirements.
The researchers said that children who met the recommended goals had better "overall cognition" including memory, attention and language.
Jeremy Walsh, lead author of the study, said that this study had allowed researchers to examine the collective impact of sleep, screen time, and physical exercise on the children.
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