How does caffeine keep us awake? - Hanan Qasim

View full lesson: <a href="http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim" title="http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim" target='_blank'>http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim</a><br /> <br /> 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. <br /> <br /> Lesson by Hanan Qasim, directed by Adriatic Animation.<i class="fa fa-language transViewIcon clickable" title="Translation"></i>

How does caffeine keep us awake? - Hanan Qasim
Video date 2017/07/18 00:13
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How does caffeine keep us awake? - Hanan Qasim
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How does caffeine keep us awake? - Hanan Qasim
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08:06나를 왕따시킨 애가 내 남친을 좋아한다 [고, 백 다이어리] - EP.03
05:15How does caffeine keep us awake? - Hanan Qasim
How does caffeine keep us awake? - Hanan Qasim
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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.
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How does caffeine keep us awake? - Hanan Qasim
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100776 https://www.youtube.com/watch?v=foLf5Bi9qXs How does caffeine keep us awake? - Hanan Qasim 3
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