Google has removed some of its artificial intelligence health summaries after a Guardian investigation found people were being put at risk of harm by false and misleading information.The company has said its AI Overviews, which use generative AI to provide snapshots of essential information about a topic or question, are “helpful” and “reliable”.But some of the summaries, which appear at the top of search results, served up inaccurate health information, putting users at risk of harm.In one case...