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Use "breathe in" in a sentence
"Individuals with rheumatoid arthritis or lupus who breathe in heavy particles of air pollution for a year or more face a 22-percent increase in their risk of dying from their autoimmune disease."
"Today one can find schools of Tantra springing up in London, Paris and New York, although the extreme rigorousness of the art is offputting to many; it can, for example, take months just to learn to breathe in the right way."
"I unlatch a series of French-door-style windows that open onto the front porch to breathe in the smoggy air outdoors."