eli5: How is caffeine pretty much harmless in moderation when other stimulants like cocaine and amphetamines so hard on the body and brain?
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I mean, those are nothing alike except having the same very broad umbrella term “stimulant” applied. Kinda like how heroin the highly addictive and damaging drug and alcohol are both classified as CNS depressants.
The mechanism and effect of caffeine is completely different, apples to tractor trailer different, from how coke and meth work in the brain or how they see cleaned out. For example, coke and meth both work on the euphoria/happiness parts of the brain, and caffeine works on the “don’t feel sleepy” part of the brain.
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