Jane Wakefield, writing for the BBC:

“The first thought was to put him on anti-depressants but I chatted to him and it sounded like his use of social media was having a negative impact on his health.”

So Dr Chatterjee suggested a simple solution – the teenager should attempt to wean himself off social media, restricting himself to just an hour before he went to bed. Over the course of a few weeks, he should extend this to two hours at night and two in the morning.

“He reported a significant improvement in his wellbeing and, after six months, I had a letter from his mother saying he was happier at school and integrated into the local community.”