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  2. How Much Caffeine Is Too Much? - AOL

    www.aol.com/drinking-too-much-caffeine-204000420...

    Caffeine is a chemical stimulant found “naturally found in plants such as coffee beans, tea leaves, cacao beans, and guarana berries,” Ally Mast, RDN, says. Many of us consume it in beverages ...

  3. Caffeine Can Disrupt Sleep Even 12 Hours After You've ... - AOL

    www.aol.com/caffeine-disrupt-sleep-even-12...

    The study, which enlisted 23 men with a "moderate habitual caffeine intake" (under 300 mg) between the ages of 18 and 40, discovered that while a 100 mg dose of caffeine can be consumed up to four ...

  4. Drinking Coffee Every Day Could Add Up to 2 Years to Your Life

    www.aol.com/drinking-coffee-every-day-could...

    Drinking coffee could extend your life up to two years, new research finds. Regular coffee consumption was found to be associated with increased health span (time spent living free from serious ...

  5. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    Caffeine is the world's most widely consumed psychoactive drug. [20] [21] 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 with it even being encouraged.

  6. Caffeine (data page) - Wikipedia

    en.wikipedia.org/wiki/Caffeine_(data_page)

    Caffeine Properties Chemical formula. C 8 H 10 N 4 O 2: Molar mass: 194.194 g·mol −1 Appearance Odorless, white needles or powder Density: ... Statistics; Cookie ...

  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. Doctors Say This Viral "Sleep Rule" Actually Works - AOL

    www.aol.com/doctors-viral-sleep-rule-actually...

    The amount of caffeine can have an impact, too, so at most, try to limit caffeine to 200 to 400 mg per day (be mindful that a single cup can contain anywhere from 200 to 400 mg, depending on the ...

  9. Health effects of coffee - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_coffee

    For some people, discontinuing caffeine use can significantly reduce anxiety. [34] Caffeine-induced anxiety disorder is a subclass of substance- or medication-induced anxiety disorder . [ 35 ] Populations that may be most impacted by caffeine consumption are adolescents and people with anxiety disorders. [ 36 ]