If you have trouble reading small print, reach for the dark chocolate. New research shows that the cocoa flavanols in dark chocolate can briefly sharpen vision—and even boost cognitive function—by temporarily increasing blood flow to the eyes and brain.
This article was originally published with the title "Eyeing the Chocolate" in SA Mind 22, 6, 14 (January 2012)
doi:10.1038/scientificamericanmind0112-14a
