Most certainly, Although somebody very close to me works in schools around South Wales and for a few hours a week, speaks to Teenagers about an difficulties they may be having with Mental Health, amongst other things. This person said that it is mostly girls that attend these 1 on 1 informal chats and that Instagram, Facebook etc is quoted 90% of the time as a big contributory factor in poor mental health, image etc. I think that Demb's Post makes sense, although i completely agree with your initial reasons