Why do you think the rates of teen depression and suicide are out of control now?

[quote]The Centers for Disease Control and Prevention this month reported that suicide rates among American middle school students – those aged 10 to 14 – were higher than rates of death from motor vehicle crashes in that age group.[/quote]
http://www.jhsph.edu/news/news-releases/2016/depression-rates-growing-among-adolescents-particularly-girls.html

What is causing this new epidemic?