Gadgets and social media are having a bad effect on the health of youngsters
A dramatic rise in the use of tablets, computers and social media is wreaking havoc on the health of young people, a report from the World Health Organisation (WHO) has suggested.
Data for England, Wales and Scotland shows that children as young as 11 are spending increasing amounts of time on tablets, computers and smartphones.
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Experts say this is leading to an increasing risk of ill health, with the vast majority of young people also failing to take the recommended level of exercise each day.
The study found a “continuous steep increase” between 2002 and 2014 in the proportion of children and young people using technology for two hours or more each weekday for things like social media, surfing the internet and homework.
In England in 2014, for children aged 11 to 15, 74.6% of girls and 76.5% of boys used a computer, tablet or phone for two or more hours on a weekday that was not for playing games.
In Scotland, the figure was 79.9% of girls and 83.6% boys, and in Wales there were 76.4% of girls and 84.6% of boys – all more than a 50% rise on 2002 figures.
The WHO, together with experts from the Health Behaviour in School-aged Children study, sent questionnaires to more than 200,000 children in schools in 42 countries, including 5,335 in England, 5,932 in Scotland and 5,154 in Wales.
A breakdown by age showed children as young as 11 spending a large chunk of time online.
In Wales, 53% of boys and 47% of girls aged 11 used a computer for two or more hours on a weekday that was not for playing games.
In Scotland, the figure was 42% of boys and 45% of girls, while in England it was 39% of boys and 43% of girls.
Lead author Dr Jo Inchley, from the University of St Andrews, said the rise in social media was having an impact on young people.
She told the Press Association: “We know that a positive impact of social media is social connectedness and the sense of interaction.
“But we also know there are risks, such as cyber bullying and impact on mental health, as well as things like missing out on sleep.
She added: “One of the main challenges for us is that this kind of activity (social media and computer use) is so much part of young people’s lives these days, how do we manage this and the health risks associated with it?
“It’s about reducing time being spent sedentary, and ensuring that children still have opportunity to be active. We really need to start addressing these challenges now.”
Only about a fifth of boys in England, Wales and Scotland meet the Government recommendation of exercising for an hour a day.
The figure is worse for girls, with only 14% in Scotland and 12% in England and Wales.
Dr Inchley said: “We need to find ways to make young people more active.
“Maybe they are getting lifts in the car, or are not out playing in the streets any more in the way they used to.”