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  2. 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.

  3. 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 ...

  4. Drinking coffee linked to lower risk of diabetes, heart ...

    www.aol.com/lifestyle/drinking-coffee-linked...

    Caffeine — in coffee or in any other food or drink— can be both friend and foe when it comes to heart health. The new study is only the latest to suggest a link between moderate consumption ...

  5. 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 ...

  6. Heart Disease: Does Too Much Caffeine Cause High Blood ... - AOL

    www.aol.com/heart-disease-does-too-much...

    Takeaway. A new study found that consuming more than 400 milligrams of caffeine per day could increase heart disease risk. Researchers say excessive caffeine raises heart rate and blood pressure ...

  7. Caffeine dependence - Wikipedia

    en.wikipedia.org/wiki/Caffeine_dependence

    Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]

  8. Drinking this much coffee a day is linked to a lower risk of ...

    www.aol.com/news/drinking-much-coffee-day-linked...

    Drinking two to three cups of coffee or up to three cups of tea a day was the sweet spot, the researchers found. People who consumed about 200 to 300 milligrams of caffeine daily had a lower risk ...

  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 ...