Colorful Coffee Composition Photo by 'Once and Future' / Flickr"Sure, the commercials love to (show?) people energized by the mere whiff of a steaming pot of coffee -- but new research shows that those commercials may not be far off the mark. Just smelling the aroma of coffee is enough to change the activity of several genes in rats, researchers report this week in the Journal of Agricultural and Food Chemistry. The affected genes appear to help the animals deal with resistance to the stresses caused by sleep deprivation."
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