Disadvantages: People who have insomnia drink American coffee, which will aggravate the symptoms of insomnia and have certain disadvantages to the human body. Caffeine in American coffee can stimulate cardiovascular and cerebrovascular blood, promote blood circulation, and improve symptoms such as palpitation and dizziness caused by myocardial ischemia. At the same time, it can also treat dizziness and other symptoms caused by cerebral ischemia. American coffee also has the function of regulating physical fatigue. People are in a state of physical fatigue, and drinking a cup of coffee can improve the symptoms of fatigue.
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Precautions for American coffee:
Avoid drinking coffee when smoking: Caffeine in coffee can easily change some tissues and cells of human body and even induce cancer under the action of nicotine and other inducing substances in cigarettes. Summer is extremely hot, and many smokers like to drink iced coffee while smoking, which increases the possibility of inducing cancer.
Avoid drinking coffee when drinking: drinking white wine with caffeinated drinks will aggravate the harm of alcohol to human body. Alcohol and caffeine can excite and inhibit the brain, make the brain from extremely excited to extremely inhibited, stimulate blood vessel dilation, accelerate blood circulation, and greatly increase the burden on the heart.
Baidu encyclopedia-American coffee
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