People who spend a lot of time on the internet are more likely to be depressed, lonely and mentally unstable, a study found.
A study has shown that the more someone uses Facebook, the less satisfied he is with life.
Kross E, Verduyn P, Demiralp E, Park J, Lee DS, Lin N, et al. (2013) Facebook Use Predicts Declines in Subjective Well-Being in Young Adults. PLoS ONE 8(8): e69841. https://doi.org/10.1371/journal.pone.0069841