Even short-term exposures to a natural byproduct of the coffee roasting process can damage the lungs when paired with a second insult, like the flu, a study with mice shows.
A lung disease similar to one affecting former microwave-popcorn factory workers has been seen among coffee roasters who inhale large concentrations of diacetyl, a natural byproduct of the coffee roasting process.mavo/shutterstoak
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University of Rochester
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