Tea is a traditional drink for Chinese people. However, there are many rumors about the taboo for drinking tea. One of the most widespread is that "anemic people cannot drink tea" or even "too much tea is prone to anemia." Is this true?
Will tea drinking lead to anemia?
First of all, from the perspective of epidemiology and human trials, it has not been found that drinking tea will bring about the lack of iron, calcium and other minerals. From the perspective of metabolic studies, it has not been found that drinking tea will significantly affect the excretion of minerals in feces and urine.
Studies have found that ingesting black tea extract or drinking strong tea may reduce iron absorption. However, studies have shown that if the tea is not particularly strong, just using tea instead of daily water will not affect the absorption of iron. Only when iron supplements are served in tea, or when iron-rich foods are eaten with tea, the effect of reducing iron absorption is demonstrated.
At the same time, the study also showed that tea does not affect the absorption of iron in the intestine, but when the iron is directly encountered, the polyphenols in the tea form a complex with iron and reduce the iron absorption rate.
Therefore, it can be concluded that as long as there is sufficient supply of iron in the diet, especially fish and meat rich in heme iron, drinking tea will not cause anemia. In fact, people in Fujian and Guangdong tend to drink tea, but these places are not the regions with the highest incidence of anemia.
There are 5 major benefits of drinking tea
1, improve muscle endurance. Studies have found that tea contains an antioxidant called "catechin," which increases the body's ability to burn fat, improves muscle endurance, helps combat fatigue, and increases physical exercise time. Drinking green tea regularly has the most significant effect.
2, resistance to ultraviolet light. Tea polyphenols are water-soluble substances. Washing your face with tea can clear greasy facial skin and reduce pores. It has the functions of disinfection, sterilization, and anti-aging effects. It also helps reduce the damage to skin caused by ultraviolet rays in sunlight. It is a natural “sunscreenâ€. ".
3, keep in shape. The discussion of tea in the Tang Dynasty's Herbal Supplements has mentioned that “long food is lean,†and modern scientific research confirms this. Caffeine in tea can promote gastric secretion, help digestion, and enhance the body's ability to disintegrate fat. Foreign studies have also shown that regular tea drinking can reduce waist circumference and lower body mass index (BMI), which helps prevent diabetes and cardiovascular and cerebrovascular diseases.
4, resist radiation. Studies abroad have shown that tea polyphenols and their oxides can absorb some radioactive substances, protect cells from radiation damage, and also help repair damaged cells. Clinical studies have shown that tea extract can treat mild radiation sickness caused by cancer patients during radiation therapy, and can reduce blood cells and white blood cells caused by radiation.
5, improve memory. Tea polyphenols help the brain to make local adjustments, improve memory, and improve learning efficiency. Studies abroad have confirmed that drinking tea can prevent and treat neurological diseases, especially cognitive impairment in the elderly. In addition, caffeine can stimulate the central nervous system, refreshing, Yisi, pure heart effect.
Remember: Old people should not drink tea
The so-called raw tea refers to dried green tea that has been directly dried without being rubbed. The tea is green and green in shape, and contains almost the same compounds as the fresh leaves. The low-boiling alditol compounds have little conversion and volatilization, and the aroma has serious green gas. The elderly drink this kind of green tea, and it is very irritating to the gastric mucosa. After drinking, it is easy to produce stomachache; young people will also feel stomach discomfort after drinking, which is commonly referred to as “squeezing the stomachâ€. Mistakes to buy this kind of raw tea, it is best not to directly drink, can be placed in a non-greasy iron pot, slow fire slowly with a slow fire, roast green gas, to be produced after the mild chestnut after drinking.
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