The Scent of Coffee Can Alter Gene Expressions in the Brain

The rich latte, double decaf with a twist, americano, or hand-picked, massaged, rinsed, organic, towel-dried super-premium ecophreak blend may alter the activity of some genes in the brain, reducing the effects of sleep deprivation, even if you don't imbibe the liquid.

As LiveScience reports, coffee has been a part of the human diet for more than 1,000 years, and is now the most widely consumed beverage worldwide.

Scientists have conducted numerous studies that investigate both the beneficial and adverse effects that coffee can have on health, from the antioxidants it possesses to the possible detriments of too much caffeine. Much of coffee's lift has been attributed to its caffeine content.

Dr. Han-Seok Seo and colleagues at Seoul National University allowed lab rats, some of which were stressed by sleep deprivation, to inhale the aroma of coffee. The researchers then compared the expression of certain genes and proteins in the rats' brains. Some of the genes expressed in the coffee-sniffing, stressed rats expressed proteins that have healthful antioxidant properties known to protect nerve cells from stress-related damage. Their stressed out counterparts who weren't allowed to smell coffee didn't show these gene expressions.

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