Coffee's aroma kick-starts genes in the brain

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Scientists report that the simple inhalation of coffee by rats has changed their gene expressions in ways that help reduce sleep deprivation-induced stress. Courtesy of public-domain-photos.com
Scientists report that the simple inhalation of coffee by rats has changed their gene expressions in ways that help reduce sleep deprivation-induced stress. Courtesy of public-domain-photos.com

Drink coffee to send a wake-up call to the brain? Or just smell its rich, warm aroma? An international group of scientists is reporting some of the first evidence that simply inhaling coffee aroma alters the activity of genes in the brain.


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