Theguardian iconTheguardianSep 14, 2026

Zuckerberg says the science isn’t settled. But the harms of short-form video on the brain are starting to show | Caty Enders

A few years ago, when I'd just started graduate work, I was waiting with a grandmother finishing a questionnaire I'd handed her about her 19-year-old granddaughter who was in the testing room next door. They were participating in a study that used brain imaging to look at adolescent development.

Zuckerberg says the science isn’t settled. But the harms of short-form video on the brain are starting to show | Caty Enders

Share this story

Send the public story page.

Useful takeaways from this story.

A few years ago, when I'd just started graduate work, I was waiting with a grandmother finishing a questionnaire I'd handed her about her 19-year-old granddaughter who was in the testing room next door.

They were participating in a study that used brain imaging to look at adolescent development.

Recent social media lawsuits have addressed concerns about mental health.

Building the complete brief

The page is ready to read now. The fuller skim-friendly version will appear here automatically.

The useful part

A few years ago, when I'd just started graduate work, I was waiting with a grandmother finishing a questionnaire I'd handed her about her 19-year-old granddaughter who was in the testing room next door. They were participating in a study that used brain imaging to look at adolescent development. Recent social media lawsuits have addressed concerns about mental health.

Details worth keeping

Recent social media lawsuits have addressed concerns about mental health. The older woman had a soft southern accent and a warm laugh.

Keep reading in the app

Open the app view to save this story, compare related coverage, and continue from the same source.

Open in app