AI chatbots give misleading medical advice 50% of the time, study finds
Source: The Star
Published on: 2026-04-15 03:16
Artificial intelligence-driven chatbots are giving users problematic medical advice about half the time, according to a new study, highlighting the health risks of the technology that's becoming increasingly integral in day-to-day life. Researchers from the US, Canada and the UK evaluated five popular platforms - ChatGPT, Gemini, Meta AI, Grok and DeepSeek - by asking each of them 10 questions across five health categories. Out of the total responses, about 50% were deemed problematic, including almost 20% that were highly problematic, according to findings published this week in medical journal BMJ Open. The chatbots performed relatively better on closed-ended prompts and questions related to vaccines and cancer, and worse on open-ended prompts and in areas like stem cells and nutrition, according to the study. Answers were often delivered with confidence and certainty, though no cha...
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