'Katharine Hepburn reportedly said of herself, "What you see before you, my friend, is the result of a lifetime of chocolate.” Inspired, we broke that down into hours, weeks, months and years. Here’s what a fix can do….
Within 90 minutes…your neurons are humming.
One way in which scientists test for alertness and mental stamina is by asking their subjects to do math in their head -- counting down by 3s and 7s, for instance -- tasks so tedious they’re prescribed for insomnia. But 90 minutes after people drank cocoa, they rattled off correct numbers, found a study at the U.K.’s Northumbria University.'