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What studies have actually found about short-video feeds. Every record names its source, its study design and its limitations, and keeps the source’s finding apart from our reading of it.

Cross-sectional studies on youth wellbeing

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  1. Association between short-form video media use and inattentive, hyperactive-impulsive, and oppositional defiant symptoms in Thai preschool children

    Anuroj, K.; Aroonkamonsri, V.
    BMC Public Health

    This study looked at Thai preschool children aged 3–5 and whether short-form video use was linked with caregiver-rated behaviour symptoms. Children used screens for a mean of 3.0 hours per day, including 1.6 hours of short-form video. Higher short-form video use was associated with more inattentive, hyperactive-impulsive, and oppositional defiant symptoms. Because the study was cross-sectional, it cannot show whether short-form video use caused these symptoms.

    Design
    Cross-sectional
    Year
    2026
    Where
    Thailand
    Topics
    Attention, Digital behaviour, Youth wellbeing
    Limitations recorded

  2. Reels to Remembrance: Attention Partially Mediates the Relationship Between Short-Form Video Addiction and Memory Function Among Youth

    Al-Leimon, O.; Pan, W.; Jaber, A.-R. et al.
    Healthcare (Basel), 13(3), 252

    In a survey of over 1,000 university students in Jordan, half showed moderate to high signs of short-video addiction. Students with higher addiction scores reported more memory problems, partly through weaker attention, and tended to have lower grades. The study cannot tell which came first.

    Design
    Cross-sectional
    Year
    2025
    Where
    Jordan
    Topics
    Attention, Digital behaviour, Education, Youth wellbeing
    Limitations recorded

  3. Short‐Form Video Media Use Is Associated With Greater Inattentive Symptoms in Thai School‐Age Children: Insights From a Cross‐Sectional Survey

    Chiencharoenthanakij, R.; Yothamart, K.; Chantathamma, N. et al.
    Brain and Behavior

    This survey in Thailand looked at whether short-form video use was linked with inattentive behaviour in children aged 6-12. Higher short-form video use was associated with higher inattentive behaviours, and this association was stronger in younger children. It did not find significant associations with hyperactive-impulsive or oppositional-defiant behaviours.

    Design
    Cross-sectional
    Year
    2025
    Where
    Thailand
    Topics
    Attention, Digital behaviour, Youth wellbeing
    Limitations recorded

  4. Can't stop scrolling! Adolescents' patterns of TikTok use and digital well-being self-perception

    Virós-Martín, C.; Montaña-Blasco, M.; Jiménez-Morales, M.
    Humanities and Social Sciences Communications, 11, 1444

    In a survey of 737 teenagers in Spain, most felt mostly positive about their time on TikTok. Teenagers who used it for more than two hours a day said they found it harder to set limits for themselves. Longer use was not linked to their emotional strength or their friendships.

    Design
    Cross-sectional
    Year
    2024
    Where
    Spain
    Topics
    Digital behaviour, Youth wellbeing
    Limitations recorded

  5. Effect of short video addiction on the sleep quality of college students: chain intermediary effects of physical activity and procrastination behavior

    Zhao, Z.; Kou, Y.
    Frontiers in Psychology

    This study of 337 college students found that higher short video addiction scores were linked with poorer sleep quality. It also found that lower physical activity and higher procrastination were linked with both higher short video addiction scores and poorer sleep quality. The authors report mediation results suggesting physical activity and procrastination may help explain this association.

    Design
    Cross-sectional
    Year
    2024
    Topics
    Digital behaviour, Sleep, Youth wellbeing
    Limitations recorded

  6. The relationship between short-form video use and depression among Chinese adolescents: Examining the mediating roles of need gratification and short-form video addiction

    Zhu, C.; Jiang, Y.; Lei, H. et al.
    Heliyon, 10(9), e30346

    In a survey of 1,302 high-school students in China, the amount of time spent watching short videos was only weakly linked to depression. Feeling unable to stop watching was much more strongly linked to it. The study shows links, not causes, and the link could run either way.

    Design
    Cross-sectional
    Year
    2024
    Where
    China
    Topics
    Digital behaviour, Mental wellbeing, Youth wellbeing
    Limitations recorded

A study is published here only after its source is identified and verified, its design classified, its finding checked against the original, and its limitations recorded. How we judge evidence