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Caffeine!

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Published on Mar 27, 2012

Hank delves into the details about that very popular substance: caffeine.

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References for this episode can be found in the Google document here: http://dft.ba/-2dRG

tags: science, chemistry, scishow, caffeine, alkaloid, energy, coffee, tea, yerba mate, guarana, coca cola, coke, kola nut, adenosine, brain chemistry, addictive, addiction, dependence, habit, habit-forming

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