(1) Tea can refresh people and enhance their thinking and memory abilities.

(2) Tea can eliminate fatigue, promote metabolism, and maintain the normal functions of the heart, blood vessels, gastrointestinal tract, etc.

(3) Drinking tea is of great benefit to the prevention of dental caries. According to a survey in Britain, children who regularly drink tea can reduce dental caries by 60%.

(4) Tea contains many trace elements beneficial to human body.

(5) Tea can inhibit malignant tumor, and drinking tea can obviously inhibit the growth of cancer cells.

(6) Drinking tea can inhibit cell aging and prolong life. The anti-aging effect of tea is more than 18 times that of vitamin e.

(7) Drinking tea can delay and prevent the formation of lipid plaque in vascular intima, and prevent arteriosclerosis, hypertension and cerebral thrombosis.

(8) Drinking tea can excite the central nervous system and enhance sports ability.

(9) Tea drinking has a good weight loss and beauty effect, especially oolong tea.

(10) Drinking tea can prevent senile cataract.

(1 1) Tannic acid contained in tea can kill many kinds of bacteria, so it can prevent and treat stomatitis, pharyngolaryngitis, enteritis and dysentery that are easy to occur in summer.

(12) Drinking tea can protect people's hematopoietic function. Tea contains anti-radiation substances. Drinking tea while watching TV can reduce the harm of TV radiation and protect your eyesight.

(13) Drinking tea can maintain the normal acid-base balance of blood. Tea contains alkaloids such as caffeine, theophylline, theobromine and xanthine, and is an excellent alkaline beverage. Tea can be quickly absorbed and oxidized during extraction, producing high-concentration alkaline metabolites, thus neutralizing acidic metabolites in blood in time.

(14) heatstroke prevention and cooling. After drinking hot tea for 9 minutes, the skin temperature drops 1-2 degrees Celsius, which makes people feel cool and dry, while the skin temperature drops slightly after drinking cold drinks.

Second, drinking tea also has disadvantages.

Reasonable drinking tea is beneficial to the human body, but it is harmful to the human body if it is unreasonable.

Drinking tea depends on physical fitness. Chinese medicine believes that people's physical fitness can be divided into dryness and heat and deficiency and cold, and tea can be divided into coolness and warmth through different production processes, so drinking tea with different physical fitness is also particular. People with dry and hot constitution should drink cool tea, while those with deficient and cold constitution should drink warm tea.

It is best to drink black tea in the evening. Because green tea belongs to non-fermented tea, the content of tea polyphenols is high, and its original properties are maintained, which is more irritating; Black tea is a fully fermented tea. Although the content of tea polyphenols is low, it is mild and mild after "aging", so it is suitable for drinking at night. Especially for people with weak spleen and stomach, adding some milk when drinking black tea can play a certain role in warming the stomach.

However, people who are usually easily excited or sensitive, have poor sleep and are weak should drink less or not drink tea at night. In addition, when drinking tea at night, you should put less tea leaves and don't make the tea too strong. It is best to drink tea after dinner, because drinking tea on an empty stomach will hurt your health, especially for people who don't drink tea often, it will inhibit the secretion of gastric juice, hinder digestion, and seriously cause palpitations, headaches and other "tea drunk" phenomena.