Google's John Mueller has said that it is best to have an expert write or review your content for the YMYL (your money, your life) types of categories of web sites. In fact, John Mueller went as far to say that when a doctor reviews your content, you might want to label that content as been reviewed and by whom. But Danny Sullivan implied that renting these people's names won't necessarily help....
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Google: Renting Specialist Or Expert Names Does Not Help With EAT
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