The mental well-being of teenage girls in England has worsened in recent years, says research for the Department for Education.
Researchers highlighted the growing pressure of social media and the near-constant use of mobile phones.
The study compared the experiences and attitudes of 14-year-olds in 2014 with those in 2005 and found an increase in "psychological distress".
"Young people felt less control over their own destinies," says the study.
The report, tracking the well-being of 30,000 people in 13,000 households, found that…