Caffeine is so widespread these days it seems like everybody has a cup of coffee or tea in the morning, and most of us are constantly trying to cut back on the amount of caffeine we consume. Indeed, caffeine is the most widespread psychoactive drug in the world. According to a 2021 study, around 80% of the world’s population consumes caffeine every day, while the American Medical Association states that 85% of Americans consume 135 milligrams of caffeine daily. Other research has shown that 90% of American drink some sort of caffeine every day.
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