New research finds that just one hour of screen time can affect behavior in children and teens. Even two-year-olds are at risk of developing anxiety and depression due to time spent on smartphones or watching television.
The study, conducted by researchers at San Diego State University and the University of Georgia, analyzed data collected from the US National Survey of Child Health, conducted in 2016.
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Researchers analyzed 40,337 surveys completed by caregivers of children ages 2 to 17, who were asked about care children's medical, emotional, developmental, behavioral issues, and youth behaviors, including daily screen time.
The results showed that more hours of screen time are associated with lower well-being in children and adolescents aged 2 to 17 years. Most users showed less curiosity, self-control and emotional stability.
About 22.6 percent of 11- to 13-year-olds who spent more than seven hours looking at TV and smartphone screens weren't curious or curious. interested in learning new things, compared to 13.8 percent of those who spent four hours and about 9 percent who spent an hour in front of a screen.
Teens who spent more than seven hours a day on screens were twice as likely to suffer from anxiety or depression, a significant result, according to the researchers. Furthermore, the associations between screen time and well-being were stronger among adolescents than among young children.
The study provides more evidence to support the screen time limits set by the American Academy of Pediatrics – which is one hour a day for those aged 2-5 years, focusing on high school programs quality. The association also suggested similar limits for teenagers, with about two hours a day in front of the TV or cell phones.