Have you ever wondered why coffee has the ability to both keep us awake, and make us feel less stabby in the morning?

Your Brain on Coffee, brought to us by AsapScience, explains what caffeine is actually doing to our mind grapes. Most importantly, we discover what not only makes us crave caffeine, but why we eventually need more and more to remain functional.

The best part… AsapScience also explains why it’s physically impossible to overdose on caffeine. So, throw back all the mocha-choca lattes you’d like, and have fun trying to sleep this week.

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