Starting around 2012, teen loneliness and depression increased dramatically. A good explanation is social media, which became more ubiquitous and addictive around that time. Teens now spend an average of seven hours per day online, not including time spent doing homework. Social media is simply a massive intervention in teen culture, and no other development has so profoundly changed the way teens socialize. When you consider widespread observations of how social media can drive envy, anxiety...
