However, unlike the extensive evidence of harm found in correlational, longitudinal, and experimental studies, there is very little evidence showing benefits to adolescent mental health from long-term or heavy social media use.[66] There was no wave of mental health and happiness breaking out around the world in 2013, as young people embraced Instagram. Teens are certainly right when they say that social media gives them a connection with their friends, but as we’ve seen in their reports of increasing loneliness and isolation, that connection does not seem to be as good as what it replaced.