How does caffeine keep us awake? - Hanan Qasim
5:15
TED
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 ...
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How does coffee work? What even IS caffeine? 🤔☕️ Caffeine works primarily by blocking adenosine, a neurotransmitter that makes you feel tired and sleepy. By preventing adenosine from binding to its receptors in the brain, caffeine promotes alertness and energy. This stimulant also triggers the release of adrenaline and dopamine, increasing heart rate, breathing, and feelings of well-being! #science #science #coffee | Learning with Lyrics
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How does coffee work? What even IS caffeine? 🤔☕️ Caffeine works primarily by blocking adenosine, a neurotransmitter that makes you feel tired and sleepy. By preventing adenosine from binding to its receptors in the brain, caffeine promotes alertness and energy. This stimulant also triggers the release of adrenaline and dopamine, increasing heart rate, breathing, and feelings of well-being! #science #science #coffee | Learning with Lyrics
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