How Does Caffeine Affect Your Brain? 2 Enlightening Videos
Pure caffeine is a white, bitter and odourless powder that belongs to a group of chemicals called purine alkaloids. But what precisely does caffeine, and therefore coffee, do to your brain?
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SEE ALSO: Specialty Coffee 101: Understanding Third Wave In 3 Short Videos Part 2
Feature Photo Credit: https://www.youtube.com/user/scishow
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