5 Things You Didn't Know About Caffeine

05/06/2015 06:32 pm ET | Updated May 06, 2015

We R29ers are one caffeinated bunch — but, how much do we really know about what's in our beloved coffee, tea, or soda? In Caffeinated: How Our Daily Habit Helps, Hurts, and Hooks Us, journalist Murray Carpenter reveals the secret world of the most widely used and misunderstood drug in the country. Despite the fact that we consume this white powder (yes, caffeine is also a white powder) nearly every day, Caffeinated dropped some major knowledge on us. So, what's the truth behind the buzz?

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