Tea has the functions of refreshing, promoting digestion, and healthy, and is closely related to people's lives. However, if the tea is too strong, it will hurt the body. For the elderly, paying attention to the concentration of tea is particularly important to protect your health.
In general, the regular consumption of strong tea by the elderly is prone to many uncomfortable states. For example, it is prone to cause dilution of gastric juice and cannot be properly digested. A person's daily normal secretion of gastric juice is 1.5-2.5 liters. These gastric juices can properly digest a person's daily food intake. When a large number of drinking tea will dilute the gastric juice, reduce the concentration of gastric juice, gastric juice can not properly digest food, resulting in indigestion, abdominal distension, abdominal pain embolism, and some even cause duodenal ulcers.
In addition, tea hinders the body's absorption of iron. Tea contains tannic acid, black tea contains about 5%, and green tea contains about 10%. When a large amount of strong tea is consumed by the human body, the combination of tannic acid and iron will be more active, which will cause obstacles and effects on the absorption of iron by the human body and cause the human body to show iron deficiency anemia.
And drinking tea is prone to constipation. The tannic acid in tea can not only bind with iron, but also can combine with the protein in food to form a kind of blocky, non-digestible tannic acid protein, leading to constipation. Elderly people with constipation can make constipation worse.
Finally, strong tea causes high blood pressure and heart failure. The caffeine in the strong tea can cause the body's heart rate to increase, which in turn increases the blood pressure. At the same time, the heavy tea fluid enters the blood vessels in a large amount, which can aggravate the heart burden, produce chest discomfort, heart palpitations and other uncomfortable symptoms, and aggravate the degree of heart failure.
Everything happens. Drink light tea can keep your health, drinking strong tea is detrimental to health. In order to prolong life, in the later years of peace, hope that the elderly drink tea should be abandoning "dense" to select "fade" as a priority.
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