A major international study suggests there has been a sharp rise in what it calls "problematic" social media use among young people since the pandemic. Researchers came to the conclusion after surveying almost 280,000 children aged 11, 13 and 15 across 44 countries. The Health Behaviour In School-aged Children (HBSC) study found, on average, 11% of respondents engaged with social media in a problematic way in 2022 - compared to 7% in 2018. England, Scotland and Wales all recorded...