How Chocolate’s Puckering Taste May Stimulate the Brain

How Chocolate’s Puckering Taste May Stimulate the BrainJapanese researchers have uncovered how the astringent “bite” of cocoa flavanols can activate the brain—even though little of the compound enters the bloodstream. In mice, the sensation of astringency triggered sensory nerves that stimulated neurotransmitters linked to motivation, alertness, and memory.