More important than just fitting in, though, caffeine actually binds to those receptors in efficient fashion, but doesn't activate them—they're plugged up by caffeine's unique shape and chemical makeup. With those receptors blocked, the brain's own stimulants, dopamine and glutamate, can do their work more freely—"Like taking the chaperones out of a high school dance," Braun writes in an email.I'm imagining caffeine now as a zany 80s high school movie: the cool kids decide to prank the prom by tricking all the chaperones into the halls and then chaining the gym doors shut, resulting in the DJ playing something really crazy, like Killing Joke, and those badasses Dopamine and Glutamate dancing on tables and kicking over the punchbowl.
The Lifehacker post seems a bit Pepsi Blue-ish WRT the book.That book was pretty great when I read it twelve years ago. Not all public praise has a marketroid behind it.
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posted by The Whelk at 12:26 PM on July 13, 2010 [1 favorite]