Is it good for young people to drink tea for a long time? China is an ancient country with a tea culture of more than 1000 years. People often drink tea in daily life, which has many benefits and functions for human health. Is it good for young people to drink tea for a long time?

Is it good for young people to drink tea for a long time?

As we all know, tea can refresh us.

Whenever you are tired, drinking a cup of tea will often cheer you up. This is because theanine and theatannin contained in tea can excite the central nervous system, promote the body's metabolism, accelerate blood circulation, and thus eliminate physical fatigue.

2. Tea can also relieve tobacco poisoning.

Tea is an ingredient contained in general smoking cessation candy on the market. This is because some substances in tea can precipitate nicotine and excrete it with urine.

3, drinking tea can lose weight

Thin, moisturize the skin. Caffeine, folic acid, inositol and other substances in tea can enhance the secretion of gastric juice, regulate fat metabolism and reduce blood lipid and cholesterol. Therefore, in view of the many advantages of tea, there are more and more kinds of tea drinks on the market.

Drinking tea can prevent and cure tooth decay and dental caries.

In daily life, especially for children, the food residue left in the mouth will ferment, producing acidic substances to erode the enamel, causing tooth decay and tooth decay. Tea contains fluorine, which can combine with calcifications in teeth to form a kind of "fluorapatite" which is difficult to dissolve in acid, which is equivalent to adding a protective layer to teeth, thus playing a role in protecting teeth and preventing tooth decay.

The disadvantages of drinking tea to the body:

1, if people often drink a lot of tea, it is easy to cause serious dilution of gastric juice, which leads to indigestion, bloating, abdominal pain and other symptoms. If you drink tea for a long time, it will cause a series of gastrointestinal diseases.

2, drinking too much tea will hinder the body's absorption of iron, leading to iron deficiency anemia. Most tea leaves contain tannic acid, black tea contains about 5%, and green tea contains about 10%. When people drink a lot of strong tea, tannic acid will be more fully combined with iron, which will bring obstacles and influence to the absorption of iron.

3, drinking too much tea is easy to constipation. Tannic acid in tea can also react with protein in various foods, producing a protein tannic acid which is difficult for human body to digest, thus causing constipation.

Excessive intake of strong tea can lead to high blood pressure and heart failure. Strong tea is rich in caffeine, which can raise human blood pressure. When a large amount of strong tea enters blood vessels, it will increase the burden on the heart and cause chest tightness, palpitation and other symptoms.

5. The caffeine content in strong tea is high, which stimulates the nervous and cardiovascular system, excites people and accelerates basal metabolism. Women who drink strong tea during menstruation are prone to dysmenorrhea, prolonged menstruation and excessive menstrual blood. At the same time, tannic acid in strong tea combines with iron in food in the intestine, which will precipitate, hinder the absorption of iron and cause iron deficiency anemia. Drinking strong tea in pregnant women will affect the nutrition and development of the fetus. Drinking strong tea during lactation, caffeine can enter the baby's body through milk, causing excitement, crying and intestinal spasm, and can also inhibit milk secretion, resulting in reduced milk secretion.

Is it good for young people to drink tea for a long time? The benefits of drinking green tea every day

As we all know, drinking green tea can refresh you. Drinking green tea can stimulate the central nervous system, improve people's mental and activity ability, make the brain more awake and increase memory function.

Drinking green tea regularly can beautify and delay aging. Tea can contain anti-aging ingredients much higher than vitamin E. Drinking green tea regularly can inhibit cell aging and make you look young easily.

A recent study shows that drinking tea is of great benefit to children in preventing dental caries. The ingredients contained in tea can kill a variety of bacteria in the mouth and effectively prevent oral diseases and gastrointestinal diseases.

For people who have been engaged in the computer industry for a long time, drinking green tea often can prevent radiation. Drinking tea at work can reduce the harm of computer radiation and protect your eyesight.

Tea contains a variety of trace elements beneficial to human body, which can improve human immunity, effectively inhibit the formation and expansion of cancer cells and prevent the generation of malignant tumors.

Green tea can also reduce the blood viscosity of human body and prevent heart and brain diseases, especially for the elderly, which can prevent thrombosis, arteriosclerosis and hypertension.

Drinking green tea in summer can cool down and prevent heatstroke, make people feel comfortable physically and mentally, reduce skin surface temperature and prevent heatstroke.

Precautions for drinking green tea every day

1, Chata concentration will affect the absorption of inorganic salts such as iron in food and cause anemia;

2, control the number of times of drinking tea, with 8- 10 cups per day, excessive drinking tea will increase the burden on the human kidney; 3, tea time should not be within one hour before and after meals, otherwise it will affect the body's absorption of protein;

3. Anemia patients, especially patients with iron deficiency anemia, tannic acid in tea can make iron in food form a precipitate that is not absorbed by the human body, which often aggravates the condition.

4. Pregnant women drinking too much tea will cause anemia and make newborns lose weight due to insufficient blood supply to their mothers.

Breast-feeding women will make the baby twitch, fidget and cry for no reason because caffeine in tea enters the baby through milk.

Tea contains 2 ~ 5% caffeine, and every 500 ml of strong tea water contains about 0.06 mg caffeine. If you drink 5 cups of strong tea every day, it is equivalent to taking 0.3 ~ 0.35 mg of caffeine. Caffeine has an exciting effect. Excessive intake will stimulate the increase of fetal movement and even endanger the growth and development of the fetus. Coffee is even more inedible.

In addition, tea also contains a lot of tannic acid, which can combine with iron in pregnant women's food to form compounds that cannot be absorbed by the human body. If pregnant women drink too much strong tea, it may cause anemia, and it will also cause hidden dangers of congenital iron deficiency anemia to the fetus.

Can the green tea drink in the supermarket be drunk for a long time?

It is best to drink tea now, and drinking bottled tea drinks has little nutritional value. Any bottled beverage, no matter how high and complete its claimed nutritional components are, can see non-nutritional components such as "pigment", "essence" and "sorbic acid" (that is, preservatives) on the label.

In particular, the added refined white sugar contains empty calories and few nutrients. Excessive drinking will increase the glycemic index, and excessive calories will be converted into fat and accumulated in the body, which will easily lead to metabolic diseases such as obesity, diabetes, hyperlipidemia and fatty liver.

Is it good for young people to drink tea for a long time? The benefits of men drinking green tea.

1 can prevent cancer.

Green tea contains a lot of caffeine and tea polyphenols. The combined effects of the two can help people to refresh their minds and recuperate their spirits, and more importantly, they have human immunity and some anticancer effects.

2, can lose weight.

Presumably this is a problem that many men are very concerned about. Do you know the benefits of drinking green tea? Actually, you can lose weight. Many experiments have proved that drinking tea regularly can reduce fat, which will make your body lighter, digest fat and make you thinner.

3. prolong life.

It sounds ridiculous, but it's true. Drinking green tea often can resist aging, and in a way, it can keep young forever and live longer. But it is important to insist on drinking tea for a long time and realize the benefits of drinking tea.

4. It can resist poison and sterilize.

What are the benefits of drinking green tea? Actually, it was recorded a long time ago If a person often feels thirsty, or has a headache, or is very tired, if he can drink a cup of green tea at this time, these symptoms can be alleviated and the bacteria in his body can be driven away.

5. Prevent dental caries and remove bad breath.

Green tea contains fluorine, in which catechins can inhibit the action of cariogenic bacteria, thus reducing the occurrence of dental plaque and periodontitis. Moreover, tannic acid contained in tea has a certain bactericidal effect, which can prevent food residues from breeding bacteria, thus avoiding the occurrence of bad breath.

Health care function of men drinking tea

1, drinking tea can lose weight. In fact, drinking tea often has a certain effect on weight loss and beauty, especially oolong tea.

Drinking tea can refresh you, especially when you are very tired and depressed, so you can have a cup of tea. Besides, drinking tea often can improve memory and enhance thinking.

Drinking tea can resist aging, promote metabolism and maintain the health of blood vessels, heart and stomach.

Drinking tea in summer can relieve summer heat. After drinking hot tea for 9 minutes, the skin temperature drops 1-2 degrees Celsius, which makes people feel cool and dry, but the skin temperature does not drop obviously after drinking cold drinks.

We know some benefits of drinking tea, but we should also pay attention to how to drink tea healthily. Men must avoid drinking tea three times.

Before going to bed

Theophylline and other substances in tea have obvious exciting effect on the central nervous system after being absorbed by the human body. Drinking tea will excite the spirit, affect sleep and even lead to insomnia, especially the newly picked green tea, which has a more obvious effect. Moreover, tea has diuretic effect, and drinking tea before going to bed can easily make the elderly urinate frequently at night, affecting the quality of sleep.

During medication

Some elderly people with chronic diseases need to take medicine for a long time, and many drugs should not drink tea during taking. Such as sedative and hypnotic drugs and antiarrhythmic drugs. Theophylline can reduce the analgesic effect of some drugs, so it is not advisable to drink tea when taking analgesic drugs.

Fasting time

Because tea contains caffeine and other alkaloids, drinking tea on an empty stomach is easy to make the intestine absorb too much caffeine, which will cause some people to have hyperthyroidism symptoms such as palpitation, dizziness, weakness of hands and feet and trance. People who don't drink tea often, especially those who drink tea on an empty stomach in the morning, are more likely to have the above symptoms. It's called being drunk. Once you get drunk, you can take candy or drink some sugar water to relieve it. Compared with young people, the stomach of the elderly is more fragile, and middle-aged and elderly people with gastric and duodenal ulcers are even less suitable for drinking tea on an empty stomach, especially strong tea. Because too much tannic acid will stimulate the gastrointestinal mucosa, leading to aggravation of the disease, and some will also cause indigestion or constipation.