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17 Furthermore, in a model of inhalational tolerance, prolonged cigarette smoke exposure of mice significantly delayed the establishment of tolerance induced by repeated harmless antigen challenges

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There's a huge variety in the makeup of these cigarettes and how they are used." The study was published Wednesday as a letter in the New England Journal of Medicine

Later in the episode, Dorit who's still on the outs with Kyle spoke about her marriage woes with Kathy Hilton, who was seen at her house getting an IV and having her hair done at the same time