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But according to Yawitz, “having too much can lead to anxiety, insomnia, diarrhea, jitters, a rapid heart rate, and other unpleasant side effects.” And, in very extreme cases, death. Mike Kemp ...
“While the average half-life of caffeine is between three and seven hours, people with a slower metabolism or liver problems may experience the effects of caffeine longer, and more acutely, as ...
If you're one of the millions of Americans who can't really get the day going without a steaming cup of coffee, rest assured you're definitely not alone. An awful lot of people are dependent on ...
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.
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]
For most people, caffeine is not harmful and may even have health benefits. According to the American Heart Association, regular coffee drinkers may be less likely to develop cancer and several ...
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 promoting), ergogenic (physical performance-enhancing), or nootropic (cognitive-enhancing) properties.
Caffeine intoxication occurs when a person has dangerously high levels of caffeine in their system, and symptoms can include seizures and trouble breathing. Dark roasted and dangerous: Everything ...