/tags/screen-time screen time en-US Copyright Tue, 27 Aug 2019 09:00:00 GMT /2019-08-27/the-scientific-debate-over-teens-screens-and-mental-health What's the link between smartphone use and teens' mental health? Experts disagree, with some arguing that the threat is overblown. Tue, 27 Aug 2019 09:00:00 GMT /2019-08-27/the-scientific-debate-over-teens-screens-and-mental-health Anya Kamenetz