How does caffeine keep us awake? - Hanan Qasim
How does caffeine keep us awake? - Hanan Qasim with 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
View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasimOver 100,000 metric tons of caffeine are consumed around the world every year. Thats equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we havent 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 worlds most widely used drug. Lesson by Hanan Qasim, directed by Adriatic Animation.
