That morning coffee is just the thing to get the brain in gear and the body moving. But it turns out that just the aroma of coffee also gets some of our genes up and at ‘em. That’s according to research in the June 25th issue of the Journal of Agricultural and Food Chemistry. The authors report that a sniff of coffee turns on several genes in the brain in ways that help diminish the impact of sleep deprivation. In rats, at least.
Of course, this all begs the question: what do rats have to be stressed out about?