47:45

Jean Twenge and Nir Eyal discuss the link between smartphones and rising teen depression since 2012. Twenge cites data showing kids who spend 3+ hours daily on screens face higher risks, with sleep loss and reduced face-to-face time as key factors. Eyal breaks down how apps hook users and offers practical fixes: keep phones out of bedrooms, control notifications, and model healthy use yourself.

Questions this video answers

2012

About 60% more teens met criteria for a major depressive episode

About 35% more likely

Two hours per day or less

Trigger → Action → Reward → Investment

Chapters

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