Girls need to note that caffeine can affect women's physiological changes when they drink coffee.
Caffeine is a drug that excites the central nervous system. It has been determined that a bottle of 340 grams of cola drink contains 50 to 80 milligrams of caffeine. If you drink more than 1 gram of caffeine at a time, it will cause excitement in the central nervous system.
Its manifestations are restlessness, rapid breathing, muscle tremor, tachycardia, extrasystole and insomnia, dizziness, tinnitus and so on. Even if the dosage is less than 1 gram, due to the stimulation of caffeine to the gastric mucosa, there will be toxic symptoms such as nausea, vomiting, dizziness, palpitations and precordial pain.
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 womb.
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Drinking too much coffee can lead to the accumulation of melanin in the body and darken the complexion.
A cup of coffee for breakfast has become the habit of many people. But British dietary nutritionist Amanda Ursula reportedly suggests that drinking coffee in the morning can affect the day's work. Because drinking coffee at breakfast will make your heart beat faster and cause your stomach to contract. In addition, the sugar consumed in breakfast will be quickly absorbed by the body, causing a strong sense of hunger. At this point, people become irritable and absent-minded.
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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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