Sep
21
“A 1995 study suggests that humans become tolerant to their daily dose of caffeine—whether a single soda or a serious espresso habit—somewhere between a week and 12 days. And that tolerance is pretty strong. One test of regular caffeine pill use had some participants getting an astronomical 900 milligrams per day, others placebos—found that the two groups were nearly identical in mood, energy, and alertness after 18 days. The folks taking the equivalent of nine stiff coffee pours every day weren’t really feeling it anymore. They would feel it, though, when they stopped.”
What Caffeine Actually Does to Your Brain
Stephanie Booth is a freelance internet geek who lives in Lausanne, Switzerland. Digital Crumble is where she dumps all sorts of interesting stuff she finds online.
