Study: Teens spend hour-plus on their phones at school

Teens spend an average of 70 minutes on their smartphones during school hours, according to new research published Monday in JAMA.

The study found that students aren't using their devices for educational purposes, either. Instead, they're mostly scrolling social media, racking up roughly 30 minutes per day on apps like TikTok, Snapchat, and Instagram. They also game on Roblox and Pokemon GO, as well as watch videos on Netflix and YouTube. By comparison, they spend an average of a minute-and-a-half...