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  2. Jun 3, 2020 · Caffeine is a natural stimulant that can improve mood, brain function, metabolism, and exercise performance. Learn about its sources, recommended dosages, safety, and potential health benefits and risks.

  3. en.wikipedia.org › wiki › CaffeineCaffeine - Wikipedia

    Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is mainly used as a eugeroic (wakefulness promoter) or as a mild cognitive enhancer to increase alertness and attentional performance.

  4. Mar 19, 2022 · Learn about the benefits and risks of caffeine, how much is safe for different groups and how to cut back if you need to. Find out how caffeine interacts with medications, supplements and sleep.

  5. Apr 26, 2022 · Learn how much caffeine is in your favorite beverages and how it affects your health. See charts of caffeine levels for different drink sizes and types, and get tips on how to limit your intake.

  6. Feb 11, 2022 · Caffeine is a stimulant that occurs naturally in many plants and is widely used in foods, drinks, and medications. Learn about its effects on the brain, body, and health, as well as its potential risks and dosage recommendations.

  7. Oct 16, 2017 · Learn about the sources, uses, and health impacts of caffeine, a stimulant and the most commonly used drug in the world. Find out how caffeine can affect your body, brain, and diseases, and what are the recommended limits and risks.

  8. Oct 18, 2021 · Learn the difference between natural and synthetic caffeine, and what foods and drinks contain natural caffeine. Find out how natural caffeine affects your body and why it may be better for your health than synthetic caffeine.

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