Are smartphones causing more teen suicides?

Increases in depression and suicide appeared among teens in 2012 - the same time smartphone ownership became the norm

Around 2012, something started going wrong in the lives of teens.

In just the five years between 2010 and 2015, the number of US teens who felt useless and joyless - classic symptoms of depression - surged 33% in large national surveys. Teen suicide attempts increased 23%. Even more troubling, the number of 13 to 18-year-olds who committed suicide jumped 31%.