You might like the book Lost Connections by Johann Hari. The premise of the book, from what I can remember, is a mix between yours and GP's comment. It's basically that things are being over-prescribed, such as depression if you haven't stopped grieving after a year from the death of a loved one, as well as it happening more because our basic human structures are crumbling (namely, community). I definitely want to do a reread of it and pursue some of his leads more.