Why Does Caffeine Stop Working Over Time?
Nearly 90% of adults consume caffeine daily — yet most have no idea why it gradually loses its punch. If your morning coffee used to change your day and now just stops you feeling terrible, there is a biological reason for that. And it happens faster than you would expect.
In this episode, Jen, Chris, and Jamie unpack the science of caffeine tolerance: what adenosine is and why it matters, how your brain physically restructures itself in response to daily caffeine use, why the afternoon crash hits harder for habitual drinkers than non-drinkers, what your genetics have to do with it, and what…
The skinny
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