Mobile phones, social media and digital platforms have become part of children’s lives, but their excessive use is emerging as a concern for their mental and physical health. A review of research involving about 9 million children and young people has found that excessive use of digital media is linked to mental distress, lack of sleep, changes in behaviour and a decline in physical activity. Experts say algorithms and notifications that keep children tied to screens for long periods can also worsen the problem.
According to the study, the likelihood of mental health problems linked to excessive digital media use was found to be up to 2.27 times higher than among normal users. The research analysed findings related to children and young people aged 0 to 24 years. In modelling estimates based on screen time of more than two hours, about 20 percent of depression cases and nearly 15 percent of obesity cases worldwide were linked to high screen time. These are estimates, not figures that prove a definite cause of illness in any individual.
How do algorithms increase screen time?
Autoplaying videos, constant notifications, endless scrolling and the race for likes and followers prompt children to check their phones repeatedly. Algorithms keep showing new content according to their preferences, which can make it difficult to move away from the screen.
Responsibility of both parents and platforms
According to experts, children’s digital use should not be assessed only by the number of hours. What they are watching, when they are using it, and what impact it has on sleep, studies and social behaviour are also important. Parents should set limits on screen time and encourage children to spend time on games, studies and with family. Digital platforms also have a responsibility to control designs that keep children engaged for long periods and to curb harmful content.
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