London (CNN)Concern over children's use of social media and its effect on their mental health has increased markedly in recent years, and now official action on the issue is also stepping up.
In the UK, government ministers are considering imposing new rules on social media companies, while a trial introducing mindfulness exercises will be extended to up to 370 English schools.
The response comes as separate surveys have revealed feelings of "overwhelming pressure" and inadequacy among young social media users, as well as the prevalence of online bullying.
The government proposals have been launched as part of Children's Mental Health Week, February 4-10.
Concerns have risen about the effect of social media on children's mental health.
"We have heard calls for an Internet Regulator and to place a statutory 'duty of care' on platforms, and are seriously considering all options," a spokesman for Britain's Department for Digital, Culture, Media and Sport said in a statement.
"Social media companies clearly need to do more to ensure th