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Cigarette smoke makes MRSA worse
San Diego Union-Tribune

Cigarette smoke functions much like an alarm to the superbug MRSA, warning it to activate its defenses, according to a new study led by UC San Diego scientists.

In lab studies in human cells and whole mice, MRSA (Methicillin-resistant Staphylococcus aureus) bacteria exposed to cigarette smoke extract become harder to kill, said Dr. Laura E. Crotty Alexander, a pulmonologist at UCSD and the Veterans Affairs San Diego Healthcare System.

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