Feeds, feelings, and focus: A systematic review and meta-analysis examining the cognitive and mental health correlates of short-form video use
In simple words
This study combined the results of 71 earlier studies with nearly 100,000 people. Across them, people who watched more short videos tended to have weaker attention and self-control, and somewhat more stress and anxiety. It found no link with body image or self-esteem. These are links seen across studies; they do not prove that short videos cause the problems.
What the research says
Greater short-form video use was associated with poorer cognition (mean r = −.34), most strongly attention (r = −.38) and inhibitory control (r = −.41), and with poorer mental health (weak mean effect, r = −.21), most strongly stress (r = −.34) and anxiety (r = −.33). Short-form video use was not associated with body image or self-esteem.
What it does not establish
A synthesis of correlational studies: it cannot show which way the relationship runs, or that use causes these outcomes. Few included studies examined cognitive domains beyond attention and inhibitory control, and the role of content type is unclear.
Why it matters to us
A large quantitative synthesis showing consistent associations between heavier short-form video use and weaker attention. It supports concern but does not establish causation, and its null result for body image and self-esteem should be reported alongside the negative findings.
This is REELFREE NATION’s interpretation, not a finding of the study.
Corrections
[2026-10-11] Added an “In simple words” summary.