Detailed text transcripts for TV channel - CNN - 20170916:13:40:00
Getting less sleep. the doauthor of this new book igen, why those are growing up less happy and completely unprepared for adulthood. a doctor of psychologist. for 20 years you've been studying generational differences. looking at the data, all of a sudden, in the year 2012, a number of things take your breath away. what? >> that's exactly right. there's this big national data set of teens right around that time, 2011, 2012, more of them started to say that they felt sad and hopeless and useless, that they couldn't do anything right. those are classic symptoms of depression. more started to say...