Education

How does caffeine keep us awake? – Hanan Qasim

View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim

Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven’t had enough sleep — but it can also raise our blood pressure and make us feel anxious. So how does it keep us awake? Hanan Qasim shares the science behind the world’s most widely used drug.

Lesson by Hanan Qasim, directed by Adriatic Animation.

Products You May Like

Articles You May Like

Tilting an Icy Floor Until You Fall Over: WinterLab
Concrete Does Not Dry Out
Hey Bill Nye, “Why Do We Grow Old and Die?” #TuesdaysWithBill | Big Think
Why people keep watching the worst movie ever made
Homer Simpson vs Pierre de Fermat – Numberphile

Leave a Reply

Your email address will not be published.