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		<title>AI Chatbot Beats Web Search at Helping Laypeople Diagnose Respiratory Illness</title>
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				<category><![CDATA[Health]]></category>
		<category><![CDATA[Artificial Intelligence]]></category>
		<category><![CDATA[chatbot]]></category>
		<category><![CDATA[diagnosis]]></category>
		<category><![CDATA[Digital Health]]></category>
		<category><![CDATA[GPT-4o]]></category>
		<category><![CDATA[Large Language Models]]></category>
		<category><![CDATA[layperson health literacy]]></category>
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		<category><![CDATA[randomized controlled trial]]></category>
		<category><![CDATA[respiratory disease]]></category>
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					<description><![CDATA[A randomized preregistered trial of 2,400 laypeople in China found that a GPT-4o-based respiratory chatbot embedded in WeChat outperformed conventional web search on diagnostic accuracy across 88 clinical vignettes.]]></description>
		
		
		
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