Facebook May Make You Depressed And Jealous, But We Still Love It

Clearly, researchers love Facebook, even if some of the rest of us are ambivalent. A 2012 survey of social science papers related to the social network turned up 412 separate studies, and there have been even more since. Among the most popular questions: What effect does Facebook have on emotional states?

It does seem a reasonable question. After all, about 22 percent of the world's population uses Facebook regularly, according to the company, logging on for about 50 minutes a day. But is all this interconnectedness creating psychological benefits or global gloom? The answer, it turns out, is complicated....
http://www.npr.org/sections/health-shots/2016/09/07/492871024/facebook-and-mortality-why-your-incessant-joy-gives-me-the-blues?ft=nprml&f=1001