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A standard cup of coffee can contain anywhere from 95 to 200 mg of caffeine. That's a big range. The FDA cites 400 mg of caffeine per day "as an amount not generally associated with dangerous ...
CNN: How much coffee is too much? Wen: The concern with too much coffee is about consuming too much caffeine, which can cause heart palpitations, anxiety, restlessness and difficulty sleeping.
“Depending on the type of coffee and the brew, a typical eight-ounce cup of coffee ranges from about 80 to 100 milligrams of caffeine per cup,” says Pelitera.
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 is found naturally in various plants such as coffee and tea. Studies have found that 89 percent of adults in the U.S. consume on average 200 mg of caffeine daily. [ 2 ] One area of concern that has been presented is the relationship between pregnancy and caffeine consumption.
Caffeine in coffee and other caffeinated drinks can affect gastrointestinal motility and gastric acid secretion. [86] [87] [88] In postmenopausal women, high caffeine consumption can accelerate bone loss. [89] [90] Caffeine, alongside other factors such as stress and fatigue, can also increase the pressure in various muscles, including the ...
Caffeine does not give you energy, just delays fatigue for a little while longer.” In other words, that 2 p.m. cup of coffee is just delaying the inevitable. At first, caffeine might appear to ...
Caffeine can cause a physical dependence, if consumed in excessive amounts. [3] The need for caffeine can be identified when individuals feel headaches, fatigue and muscle pain 24 hours after their last energy drink. [4] Some commercially distributed drinks contain guarana, a South American berry with a caffeine content about twice that of ...