OpenEvidence AI chatbot claims two-thirds of US physicians use it, sparking care debate

OpenEvidence, a $15bn AI start-up, reports that two-thirds of US physicians use its ad-supported chatbot for clinical decisions, a claim that is unverified and contested. The tool's rapid adoption raises questions about accuracy, liability, and the influence of advertising on medical practice, though the company's usage figures are self-reported and not independently corroborated.

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