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.

Many of us spend more time than we want to on our smartphones, tablets, and other devices, in this article we will show you how to reduce your screen time with a range of practical tips. Our lives are ...

Fatigue and stress have long been common woes at the end of a workday. Now, in the digital age, there's a new set of struggles: headaches, dry eyes and double vision. These are the unique symptoms of ...