What if your phone came with a mental health warning?

Imagine opening Instagram, TikTok, or Snapchat and seeing a mental health warning.

Would you scroll past it? Would it make you pause?

A new study involving more than 1,000 teenagers and young adults explored precisely this question. Standford researchers found that health warnings were perceived as more effective at discouraging social media use than a simple reminder to take a screen break. Messages about mental health, depression and anxiety resonated particularly strongly.

The findings raise an intriguing question for parents and young people: are we entering a time when understanding our mental health becomes part of how we make everyday decisions about technology?

The research does not prove that warning labels will change behaviour in real life. It does, however, offer a new perspective on how young people respond to information about their wellbeing, and whether awareness can influence the choices we make online.

Read the original research: Designing Social Media Health Warnings for Teenagers and Young Adults: A Randomized Clinical Trial, published in JAMA Health Forum, 4 September 2026.