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  2. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    Caffeine. Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class and is the most commonly consumed psychoactive substance globally. [9][10] It is mainly used for its eugeroic (wakefulness promoter), ergogenic (physical performance enhancing), or nootropic (cognition improving) properties. [11][12] Caffeine acts by ...

  3. Caffeine dependence - Wikipedia

    en.wikipedia.org/wiki/Caffeine_dependence

    Psychiatry. Caffeine dependence is a condition characterized by a set of criteria, including tolerance, withdrawal symptoms, persistent desire or unsuccessful efforts to control use, and continued use despite knowledge of adverse consequences attributed to caffeine. [1] It can appear in physical dependence or psychological dependence, or both.

  4. Everything You Need to Know About Caffeine—Including ... - AOL

    www.aol.com/everything-know-caffeine-including...

    “I do not recommend going cold turkey,” says Feller, “especially for someone who regularly consumes caffeine.” Start reducing your intake by 5% to 10% each day while drinking your caffeine ...

  5. Health effects of coffee - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_coffee

    The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.

  6. How much caffeine is too much? - AOL

    www.aol.com/finance/much-caffeine-too-much...

    When does caffeine become dangerous to your health? The overconsumption of caffeine is harmful and potentially fatal. In fact, the FDA estimates toxic effects, like seizures, can be observed with ...

  7. How Much Caffeine Is in a Cup of Coffee? Here's What You Need ...

    www.aol.com/much-caffeine-cup-coffee-heres...

    Over 2.25 billion cups of coffee are consumed across the globe everyday, making it one of the world’s most popular beverages.And come morning, it’s likely the first thing on your mind. An ...

  8. This is what caffeine does to your body - AOL

    www.aol.com/lifestyle/2016-08-22-this-is-what...

    Whether you’re a coffee, tea or soda lover, here’s what you need to know about what caffeine does to your body

  9. Caffeinism - Wikipedia

    en.wikipedia.org/wiki/Caffeinism

    Caffeinism is a state of intoxication caused by excessive consumption of caffeine. This intoxication covers a variety of unpleasant physical and mental symptoms associated with the consumption of excessive amounts of caffeine. [1] Caffeine is considered one of the most widely consumed drugs around the world. Around 80% of the world population ...