Caffeine is arguably the most popular drug in America. But what do you really know about it? This short video explains how the beloved stimulant became the key ingredient in top-selling soft drinks and how those drinks came to be blended with foreign-made synthetic caffeine.
Murray Carpenter
Murray Carpenter is the author of Caffeinated: How our Daily Habit Helps, Hurts and Hooks Us. As a freelance journalist, he has reported for the New York Times, NPR, Wired, and others. He lives in Belfast, Maine, and tweets at @Murray_journo. He can be reached at mcvario@gmail.com.