Massive, careful study finds that social media use is generally neutral for kids' happiness, and sometimes positive

In Social media’s enduring effect on adolescent life satisfaction, a pair of Oxford psych researchers and a colleague from Stuttgart's University of Hohenheim review a large, long-running data-set (Understanding Society, the UK Household Longitudinal Study, 2009–2016) that surveyed 12,672 adolescents at eight points over seven years.

The researchers conclude that social media use (or non-use) accounted for a very small part of a teen's sense of wellbeing (