Caffeine can affect the physiological changes of women
Caffeine is a drug that excites the central nervous system. According to the determination, a bottle of 340 grams of cola-type drinks contain caffeine 50~80 mg, if a drink content of more than 1 gram of caffeine drinks, will lead to central nervous system excitation.
Its expression is restless, breath accelerates, muscle tremors, tachycardia, extrasystole and insomnia, dazzle, tinnitus to wait. Even if the dosage is less than 1 gram, due to the stimulation of caffeine to the gastric mucosa, nausea, vomiting, dizziness, palpitations and precordial pain and other toxic symptoms will occur.
Foreign experts believe that caffeine, as a substance that can affect women's physiological changes, can change the proportion of estrogen and progesterone in women to a certain extent, thus indirectly inhibiting the implantation and development of fertilized eggs in the uterus.
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Problems needing attention in the maintenance of coffee machine
1. After buying it back, please read the manual carefully to see if the voltage matches, as well as some other precautions and operating instructions, so as to avoid improper operation causing damage to the body. two。 After installation, check whether the power cord is connected, whether there are signs of cracking or damage, so as to avoid electric shock, disinfect the kettle body with boiling water, remove dust, and use it cleanly. 3. Electric coffee
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It's more tiring to have a cup of coffee before taking a nap.
Everyone knows that coffee is refreshing, so you can't drink it before you go to bed. But a new study from Cornell University in the United States has found that caffeine takes 20 minutes to take effect. Therefore, it will not be affected within 20 minutes after drinking coffee, you can take a nap, and caffeine can also help you better eliminate fatigue and magnify the effect of rest. The expert Ming said that the main substances that cause fatigue in the body
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