https://www.myjoyonline.com/world-health-organization-says-limited-or-no-screen-time-for-children-under-5/-------https://www.myjoyonline.com/world-health-organization-says-limited-or-no-screen-time-for-children-under-5/
In a new set of guidelines, the World Health Organization said that infants under 1 year old should not be exposed to electronic screens and that children between the ages of 2 and 4 should not have more than one hour of “sedentary screen time” each day. Limiting, and in some cases eliminating, screen time for children under the age of 5 will result in healthier adults, the organization, a United Nations health agency, announced on Wednesday. But taking away iPads and other electronic devices is only part of the solution, the researchers said. Children under 5 should also get more exercise and sleep in order to develop better habits that will stave off obesity and diseases in adolescence and adulthood, the guidelines said. “Achieving health for all means doing what is best for health right from the beginning of people’s lives,” Dr. Tedros Adhanom Ghebreyesus, the director-general of the W.H.O., said in a statement. “Early childhood is a period of rapid development and a time when family lifestyle patterns can be adapted to boost health gains.” As previous generations worried about the impact of radios and televisions, researchers today are studying the impact of “screen time,” which has become a shorthand for the amount of time spent interacting with TVs, computers, smartphones, digital tablets and video games, on brain development and overall health. But there is limited data on the short- and long-term effects. The National Institutes of Health has funded a $300 million project known as the A.B.C.D. Study (for Adolescent Brain Cognitive Development), which hopes to show how brain development is affected by a range of experiences, including substance use, concussions and screen time. But the study is tracking children ages 9 to 10 into young adulthood, and the data is preliminary. [From 2018: We took a look at what scientists know, and don’t know,about the link between screens, behavior, and development.] In 2016, the American Academy of Pediatrics issued guidelines that recommended no screen time other than video-chatting for children under 18 months. And it recommended introducing only “high-quality programming” to children 18 to 24 months of age, and advised that parents and caregivers watch the program with them. Children between the ages of 2 to 5 years should watch only one hour per day of approved programming. Dr. David Hill, a pediatrician who led a group that wrote the A.A.P.’s 2016 guidelines, said there are no known benefits of screen media for children under 18 months of age. But he added that technology is developing faster than the scientific study on the effect new devices are having on young brains. Dr. Hill said the W.H.O. appears to be “applying the precautionary principle, and saying: ‘If we don’t know that it’s good, and there’s any reason to believe it’s bad, why do it?’” The A.A.P. is beginning to contemplate the next set of guidelines, Dr. Hill said. “It’s certainly possible as we revise our recommendations and as further data becomes available, we may skew that direction in the future,” he said. “But it’s hard to say without a comprehensive literature review, which is what informs our policy.” The World Health Organization’s guidelines go further than the A.A.P’s recommendations. Dr. Fiona Bull, a program manager for surveillance and population-based prevention of noncommunicable diseases at the W.H.O., led a team of experts who developed the guidelines. “Improving physical activity, reducing sedentary time and ensuring quality sleep in young children will improve their physical, mental health and well-being and help prevent childhood obesity and associated diseases later in life,” Dr. Bull said in a statement. The researchers also recommended that children under 5 not be restrained in strollers or high chairs or strapped to a caregiver’s back for more than one hour at a time. And children between the ages of 1 and 5 should get three hours of physical activity per day, and get at least 10 hours of sleep per night. According to the W.H.O., the number of obese people worldwide has nearly tripled since 1974. Instances of childhood obesity, once considered a scourge of wealthy nations, are increasing dramatically in low- and middle-income countries, especially those in Africa and Asia. The organization said that the failure to meet current physical activity recommendations is responsible for more than five million deaths globally each year across all age groups. “What we really need to do is bring back play for children,” Dr. Juana Willumsen, who works on childhood obesity issues at the W.H.O., said in a statement. “This is about making the shift from sedentary time to playtime, while protecting sleep.”

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