As healthcare costs rise and waiting lists grow, many people are turning to AI chatbots like ChatGPT for medical advice. However, a new Oxford-led study suggests chatbots may not improve, and could even hinder, health decision-making.

Participants using AI models such as GPT-4o, Cohere's Command R+ and Meta's Llama 3 often missed key health conditions or underestimated their severity.

Researchers found users struggled to provide complete information to chatbots and sometimes received confusing, mixed-quality responses.

Participants performed no better than those using traditional methods like online searches or personal judgment. Experts caution that current chatbot evaluations fail to reflect the real-world complexity of human-AI interaction.

While tech giants like Apple, Amazon and Microsoft push AI-driven health tools, professionals remain wary of applying such technology to serious medical decisions. The American Medical Association advises against using chatbots for clinical decision-making.

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