3 in 4
teens use AI for companionship
What the research found
Testing by Common Sense Media with Stanford's Brainstorm Lab found leading assistants fail to recognise and respond safely to teen mental-health needs, with safety guardrails degrading sharply over the longer, ongoing conversations that mirror real use. Around three in four teens use AI for companionship.
Why it matters for providers
Vulnerable users are already relying on tools that fail exactly where the stakes are highest — and fail more the longer the conversation runs.
Original source
Common Sense Media with Stanford Medicine
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