Add Yahoo as a preferred source to see more of our stories on Google. Grouping all digital activities together misses how different types of screen use affect people, a Penn State researcher writes.

In an era where digital devices are everywhere, the term "screen time" has become a buzz phrase in discussions about technology's impact on people's lives. Parents are concerned about their children's ...

Grouping all digital activities together misses how different types of screen use affect people, a Penn State researcher writes. RapidEye Getty Images Editor’s note: The Focus on Research column ...