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Phone-addicted teens aren't as happy as those who play sports and hang out IRL, new study suggests

To no parent's surprise, too much smartphone use makes teens unhappy. A new study from San Diego State University, which pulled data from over one million 8th-, 10th-, and 12th-graders in the U.S. showing teens who spent more time on social media, gaming, texting and video-chatting on their phones were not as happy as those who played sports, went outside and interacted with real human beings.