Here Is What Coffee Actually Does To Your Brain
The first thing to know is that part of your natural tiredness comes from a molecule called adenosine, which is produced by your body while it chugs along through the day. "While you sleep, the concentration of adenosine declines, gradually promoting wakefulness," the video explains. Meanwhile, the more adenosine that builds up, the sleepier you feel.
Without the molecule that usually induces exhaustion, "our natural stimulants run wild," Joseph Stromberg writes in Smithsonian. The result? You feel wide awake - at least for a while.
When the adenosine is continually blocked from binding to its receptors, your body eventually creates more receptors - which means you need even more caffeine to plug them up. This can make kicking your coffee habit increasingly difficult, and make you need more and more caffeine to stay alert.
"When you try to quit drinking coffee or miss your daily intake," Moffit and Brown explain, "you might experience some withdrawal symptoms and feel more tired than you would have before you ever drank coffee."But caffeine does more than just block adenosine. It can also pump up your levels of adrenaline and boost your mood - "the exact same thing cocaine does, just to a lesser degree," the video says.
Watch the full ASAP Science video below.
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