Add Yahoo as a preferred source to see more of our stories on Google. I tested a dozen humidifiers in different-sized rooms around my house (Joanne Lewsley/The Independent) The Independent and Yahoo ...

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We’ve noted that some of the best humidifiers on our list (which are available at most major retailers) can be used as essential oil diffusers; however, Ratika Gupta, MD, a board-certified allergist ...

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