Few Young Teens Meet Exercise and Screen Time Guidelines | Social

Less than 10% of UK youth meet the recommended guidelines for sleep, exercise and screen time, the study found.

According to the 24-hour exercise guidelines developed by Canadian researchers, children between the ages of five and seventeen should spend more than eight hours a day doing moderate to intense workouts on the screen no longer than two hours a day. & # 39; Sleep

But a new study shows that only 9.7% of 14-year-olds in the UK manage all three recommendations, and more than three-quarters of teens spend more than two hours a day interacting with the screen.

The authors write, “Screen time was a major reason for not meeting all three recommendations.

But the idea of ​​screen time is controversial. Many experts say that there is not enough evidence to recommend thresholds for children, according to recent guidelines from the Royal College of Paediatrics and Child Health. Instead, parents are encouraged to focus on whether screen use interferes with other activities such as sleep and family time.

Other research supports the idea of ​​subtle considerations such as when and how screens are used, not by themselves important screen time.

Mark Hamer, professor of sports and exercise medicine at University College London and co-author of the new study, suggested that the level of physical activity is the most important of the three behaviors on health. However, we looked at how time is spent on other activities to increase exercise time.

“In essence, these behaviors are closely related to each other because they are limited to 24 hours a day, and as time increases in one action, time decreases in other actions. [for example deciding] Playing soccer without watching TV ”

The latest study, published in the Journal of Jama Pediatrics, is based on data collected as part of a broader research effort from 14-year-old children in the UK between January 2015 and March 2016.

Each participant self-reported the average daily screen time, including TV, tablet and computer use, and the bedtime and wake-up time of the average school night. Exercise levels were monitored through activity trackers worn on weekdays and weekends. Other data was collected through questionnaires and measurements. In total, data from nearly 4,000 teenagers were analyzed.

The results showed that nearly 90% of participants reported having more than 8 hours of sleep during school nights, but only 23% said less than 2 hours a day interacted with the screen. Activity tracker data showed that about 41% of teenagers met active physical activity at moderate to moderate levels. Only 9.7% of the participants met the recommendations for all three behaviors.

The researchers found that teenagers with depression were less likely to meet all three recommendations. Overweight girls and obese boys were also less likely to meet all three.

However, this study has unreliable limits because both screen time and sleep time are based on their own reports.

Professor Russell Viner, chairman of the Royal Paediatrics and Child Health of Paediatrics and Child Health, said that unless they participated in the study, the study could not solve the cause and effect because it only examined behavior at one time. depression. In addition, the UK guidelines encourage teens to get a minimum of 10 hours of sleep at night. It's more than the Canadian guidelines suggest.

“Other studies have suggested that screen use can affect mental health and well-being by disrupting healthy activities such as physical activity and sleep. While this study cannot prove such a link, I have confirmed that during the daytime, young people should focus on ensuring enough sleep and physical activity. ”

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