WATCH THE FULL EPISODE: https://bit.ly/2DNHpSH

ABC News' Diane Sawyer shares some of the findings of her six-month investigation into the effects of screen time on adults and children.

Do the #ScreenTime Challenge: Here's how: https://abcn.ws/2DIqGQA

#ScreenTime #ScreenTimeChallenge #DianeSawyer #ABCNews