Advantages and disadvantages of drinking tea. The drinks we often entertain guests are tea drinks, but there are many kinds of tea, and tea is also a kind of tea. Many people don't know the advantages and disadvantages of tea. Next, I will show you the advantages and disadvantages of drinking tea.
Advantages and disadvantages of drinking tea 1 advantages of drinking tea.
1, cancer prevention
In modern society, the incidence of cancer is getting higher and higher, which has become an important existence endangering human health, and it is difficult to cure cancer with drugs after the onset, so now preventing cancer has become what people want to do most. In fact, drinking more tea leaves can effectively prevent cancer, because catechins, tea polyphenols and flavonoids contained in tea leaves are natural anti-cancer components, which can not only inhibit the production of carcinogens but also prevent the canceration of body tissues and cells.
2. Radiation resistance
Drinking more tea leaves at ordinary times can improve the radiation resistance of human body. It contains tea polyphenols, lipopolysaccharide, vitamin C, carotene and other nutrients, which can decompose radioactive substances in human body and excrete them with body metabolism. People who are undergoing radiotherapy and chemotherapy after suffering from cancer after frequent exposure to radiation sources can drink more tea.
3. Protect your teeth
Drinking more tea leaves at ordinary times has obvious protective effect on human teeth, because most tea leaves are rich in trace element fluorine, which has a strong affinity for the human tooth cover. It can generate a fluorapatite that is not corroded by acid, which can form a protective layer on people's tooth surface, reduce the harm of harmful substances to teeth and prevent the occurrence of bud decay and dental caries.
The disadvantages of drinking tea
Drinking tea leaves has its two sides. Besides the above many benefits, if people drink too much tea leaves, it will also do some harm to their health, because it contains a certain amount of coffee yin and tea polyphenols, which will directly act on human nerves, excite people's central nervous system and easily lead to insomnia. In addition, the tea contained in tea is rich in money and has a strong diuretic effect. If people drink too much, it will lead to frequent urination at night, which is also an important disadvantage for people to drink tea.
Advantages and disadvantages of drinking tea 2 What are the advantages of drinking tea?
1, Excitement: Caffeine in tea can excite the central nervous system, help people cheer up, activate their thinking, eliminate fatigue and improve work efficiency.
2, diuretic effect: caffeine and theophylline in tea have diuretic effect, used to treat edema and water stagnation. Acute icteric hepatitis can be treated by detoxification and diuresis of black tea syrup.
3, cardiotonic antispasmodic effect: Caffeine has the effect of cardiotonic, antispasmodic and relaxing smooth muscle, can relieve bronchospasm and promote blood circulation, and is a good auxiliary drug for treating bronchial asthma, relieving cough and resolving phlegm, and myocardial infarction.
4, inhibition of arteriosclerosis: tea polyphenols and vitamin C in tea have the effect of promoting blood circulation and removing blood stasis to prevent arteriosclerosis. Therefore, among people who often drink tea, the incidence of hypertension and coronary heart disease is low.
5. Antibacterial and bacteriostatic effects: Tea polyphenols and tannic acid in tea act on bacteria, which can coagulate the protein of bacteria and kill them. Can be used for treating intestinal diseases such as cholera, typhoid fever, dysentery, enteritis, etc. The skin is sore, festering and purulent, and the skin is broken by trauma. Washing the affected area with strong tea has anti-inflammatory and bactericidal effects. Oral inflammation, ulceration, sore throat, treated with tea, also has a certain effect.
6. Weight-reducing effect: Caffeine, inositol, folic acid, pantothenic acid and aromatic substances in tea can regulate fat metabolism, especially oolong tea has a good decomposition effect on protein and fat. Tea polyphenols and vitamin C can lower cholesterol and blood lipids, so drinking tea can lose weight.
7. Anti-caries effect: Tea contains fluorine, and fluoride ions have great affinity with calcium in teeth, which can become a kind of "fluorapatite" which is difficult to dissolve in acid, just like adding a protective layer to teeth, which improves the ability of teeth to prevent acid and caries.
8. Inhibition of cancer cells: It is reported that flavonoids in tea have different degrees of anti-cancer effects in vitro, among which vitexin, morin and catechin have stronger effects.