Write For Us

How does caffeine keep us awake? - Hanan Qasim

E-Commerce Solutions SEO Solutions Marketing Solutions
246 Views

  • Thanks! Share it with your friends!

    You disliked this video. Thanks for the feedback!

admin
Published
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.
Category
Academic
Sign in or sign up to post comments.
Be the first to comment