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Caffeine-containing drinks, such as coffee, tea, and cola, are consumed globally in high volumes. In 2020, almost 10 million tonnes of coffee beans were consumed globally. Caffeine is the world's most widely consumed psychoactive drug.
Mar 19, 2022 · Find out how much is too much and if you need to curb your consumption. By Mayo Clinic Staff. If you rely on caffeine to wake you up and keep you going, you aren't alone. Millions of people rely on caffeine every day to stay alert and improve concentration.
May 18, 2023 · Caffeine is a natural stimulant consumed throughout the world. This article reviews caffeine and its health effects, both good and bad.
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.
Jul 22, 2020 · In many countries, a large majority of adults consume caffeine daily. This review summarizes the evidence about the varied physiological effects of caffeine and coffee and the risks of...
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.
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.
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.
