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Caffeine is the world's most widely consumed psychoactive drug. [19] [20] Unlike most other psychoactive substances, caffeine remains largely unregulated and legal in nearly all parts of the world. Caffeine is also an outlier as its use is seen as socially acceptable in most cultures and even encouraged in others.
May 18, 2023 · Caffeine is a natural stimulant consumed throughout the world. This article reviews caffeine and its health effects, both good and bad.
Jul 24, 2023 · Caffeine is a stimulant and the most commonly used drug in the world. Benefits can include increased alertness, energy, and concentration. However, it can also lead to insomnia and headaches ...
Learn more about CAFFEINE uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain CAFFEINE.
Mar 19, 2022 · Up to 400 milligrams (mg) of caffeine a day appears to be safe for most healthy adults. That's roughly the amount of caffeine in four cups of brewed coffee, 10 cans of cola or two "energy shot" drinks. Keep in mind that the actual caffeine content in beverages varies widely, especially among energy drinks.
Apr 26, 2022 · Up to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches, restlessness or anxiety, you may want to reevaluate your caffeine intake.
Feb 11, 2022 · Caffeine is a substance that stimulates the nervous system. Caffeine is found in common foods like coffee. Learn if it’s good or bad for you.
May 9, 2023 · Caffeine can kick start your senses within 15 minutes. See exactly what caffeine does to your body with this interactive graphic.
Caffeine is a mild stimulant to the central nervous system that quickly boosts our alertness and energy levels. Learn more about caffeine and health.
Caffeine is a stimulant found in coffee, teas, chocolate and energy drinks. It acts on your brain and nervous system. Learn more about caffeine here.
