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Limiting kids' screen time could boost brain power

2018-10-01 21 Dailymotion

WASHINGTON — An observational study has found that two hours of recreational screen time a day along with more sleep is linked to improved cognition in children.<br /><br />According to a study published in the Lancet Child and Adolescent Health, the Canadian 24-hour Movement Guidelines recommends 9 to 11 hours of sleep per night, less than two hours of screen time, and an hour of physical activity daily for kids aged 8 to 11.<br /><br />But a study of 4,520 U.S. children found that only 5 percent met all three recommendations. Forty-one percent met at least one guideline, 25 percent met two guidelines, while 29 percent met none at all. <br /><br />On average, American children slept 9.1 hours per night, had 3.6 hours of recreational screen time per day, and 3.7 hours of physical activity per week.<br /><br />According to the findings, screen time and sleep had the strongest links to improved cognition, and kids with more than two hours of screen time had poorer development.<br /><br />Researchers say parents should manage screen time, and suggest encouraging more physical activity and tech-free zones.

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