What Is Smartphone Addiction and Is It Fueling Mental Health Problems?

Smartphones are in pockets, purses and, for some people, under their pillows at night. Most Americans have a smartphone. About 95 percent of teenagers and people under 50 say they have one. For many people, smartphones are a convenience. But for phone addicts, they can feel like an obsession. There are apps to look at, games to play and websites to browse. One in five U.S. teens, for example, say they use YouTube “almost constantly,” and more than half s