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How does caffeine keep us awake? - Hanan Qasim
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How does caffeine keep us awake? - Hanan Qasim
  • Published_at:2017-07-17
  • Category:Education
  • Channel:TED-Ed
  • tags: TED TED-Ed TED Education TED Ed Hanan Qasim Adriatic Animation caffeine adenosine dopamine stimulant brain neuron receptor inhibitor coffee tea soda chocolate energy drug central nervous system ATP
  • description: 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, animation by Adriatic Animation.
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2017-07-18 61,254 4,640 582 (all,#9)  (USA,#9) 
2017-07-19 366,028 10,189 1,204 (all,#29)  (USA,#29)