How does caffeine (coffee, tea, or soda) keep you awake?
Автор: Science Evolved
Загружено: 2020-01-06
Просмотров: 129
Описание:
Caffeine is one of the most widely consumed stimulants on Earth. Whether you drink coffee, tea, energy drinks, or soda, caffeine helps wake us up in the morning and keeps us chugging along throughout the day. But how exactly does it work?
Caffeine works by blocking adenosine receptors in the brain. These receptors are important in conveying tiredness to our brain. When they get blocked by caffeine, they are unable to send the tired information. This allows us to stay wide awake. When the coffee wears off though, the adenosine that has been building up in the brain floods to its receptors, causing the well-known caffeine crash.
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