Three kinds of people who are not suitable for drinking coffee
Patients with arrhythmias should not drink strong tea and coffee
Tea contains theophylline and coffee contains caffeine, both of which excite the central nervous system. After drinking strong tea and coffee, the central nerve is excited, and the sympathetic nerve that dominates the heart is also excited, which makes the heart beat faster, restless, easy to cause myocardial fatigue, heart failure, drowsiness and fatigue, shortness of breath, lip purple group and other symptoms. Or even life-threatening. Therefore, patients with arrhythmia should not drink strong tea and coffee.
Patients with digestive tract ulcers should not drink strong tea and coffee
Tea has the functions of clearing leader, eliminating annoyance and thirst, invigorating spirit, resolving phlegm, digestion, diuresis, detoxification and so on. It is a cool drink that many people like to drink. However, patients with ulcers should not drink tea, especially strong tea. Because some chemical components in tea, such as caffeine, theophylline and theobromine, can strongly stimulate gastric acid secretion, the intensity of stimulation is proportional to the concentration of tea. The higher the concentration of tea is, the more it stimulates the secretion of gastric acid, the more serious the stimulation to the ulcer wound is, the more the ulcer develops. At present, most of the drugs used to treat ulcers work by inhibiting gastric acid secretion, so it can be seen that drinking strong tea is not conducive to ulcer healing.
By the same token, coffee is not suitable for drinking.
Patients with viral cardiomyositis should not drink strong tea and coffee.
The large amount of theophylline in strong tea and caffeine in coffee can excite the central nervous system and heart muscle and make the heart beat faster. The increase of myocardial oxygen consumption causes myocardial hypoxia and aggravates the damage to the myocardium, thus aggravating the condition of myocarditis. Even severe arrhythmia, palpitations, shortness of breath, chest pain, dizziness and nausea. dyspnea。 Even syncope and convulsions occur. Therefore, patients with viral myocarditis should not drink strong tea and coffee.
In addition. Patients with viral myocarditis should not eat irritating foods such as chili, spring onions and garlic, nor should they eat high-fat greasy food. It should be a light, digestible, protein-and vitamin-rich diet. At the same time, we should also give up smoking and drinking.
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How to buy fresh coffee beans how to save coffee beans
There is a knack for distinguishing the freshness of coffee beans: fresh coffee beans smell fragrant, otherwise they are tasteless or have a bad smell. Look at it: good coffee beans are complete in shape and full in size. On the contrary, the shape is incomplete. Hand pressure: fresh coffee beans are fresh and crisp, and the fragrance comes out when they crack. Color: dark black coffee beans, the brewed coffee has a bitter taste; yellow coffee beans
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The caffeine in coffee is difficult to dissolve in cold water, but easily soluble in hot water. Caffeine stimulates the cerebral cortex, eliminates drowsiness, increases feeling and thinking, and can be used as a cardiotonic agent to regulate heart function, as well as dilating kidney blood vessels and diuresis. However, caffeine is not just coffee. Usually a cup of coffee with 60-65mg caffeine. But consuming too much caffeine,
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