Here’s How Caffeine Keeps You Awake
The world likes a cup of coffee, in fact over 100,000 metric tons of caffeine are drunk around the world every year. Which is a lot. Mainly we drink it as a pick me up, something to energize us in the morning and get us through the afternoon. But have you ever wondered how it actually does that?
TED and Hanan Qasim look at the biology and share the science behind the world’s most widely used drug.
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