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The Guardian - UK
The Guardian - UK
Technology
Andrew Gregory Health editor

Google AI Overviews cite YouTube more than any medical site for health queries, study suggests

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No hospital network, government health portal, medical association or academic institution came close to YouTube’s number of citations, the researchers said. Composite: Guardian Design/Getty Images

Google’s search feature AI Overviews cites YouTube more than any medical website when answering queries about health conditions, according to research that raises fresh questions about a tool seen by 2 billion people each month.

The company has said its AI summaries, which appear at the top of search results and use generative AI to answer questions from users, are “reliable” and cite reputable medical sources such as the Centers for Disease Control and Prevention and the Mayo Clinic.

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