The benefits and disadvantages of drinking tea

The tradition of drinking tea has been around for a long time, so why do people like to drink tea? Not only because tea is good or drink tea is an elegant thing, but because drinking tea has a powerful health care function. Tea contains a variety of antioxidants and antioxidant nutrients, can promote human digestion and absorption, anti-aging, diuretic relief, refreshing, sober, anti-radiation and other effects, so drinking tea has many benefits. But drinking tea benefits does not mean that it has no bad, what are the disadvantages of drinking tea? How to choose tea leaves to make tea? Is not everyone suitable for drinking tea? What are the precautions for drinking tea? Today let us come together to solve these questions.

The benefits of drinking tea

1, drinking tea can make people refreshed, healthy brain, enhance memory, delay the aging of the human body.

2, stimulate the central nervous system, improve motor ability, make the body strong, so as to achieve the effect of prolonging life.

3. Drinking tea can improve the body's immunity and resistance to germs.

4, there are weight loss and beauty effects, drinking tea can break down the body of neutral fat, fat-burning effect is strong, is conducive to get rid of waist and abdominal fat, drink oolong tea effect is extremely significant.

5, drinking tea before drinking has the role of decomposition of alcohol, which can play a role in preventing drunkenness.

6, drinking tea has a refreshing effect, can eliminate the body's fatigue, to maintain the heart, blood vessels, gastrointestinal organs of the normal use of the body's metabolism, enhance the ability to resist disease.

7, bright eyes and fire, protect vision.

8, there are lipid-lowering digestive effects. Tea caffeine, vitamins can promote gastric juice secretion, so that the human body digestion and absorption ability to enhance the ability to improve the dissolution of body fat.

9, tea contains substances that can inhibit the growth of cancer cells, so drinking tea has to regulate body functions, anti-cancer effects.

10, tea contains anti-radiation substances, watching TV, playing cell phones and computers can drink some tea to prevent radiation.

11, the tea polyphenols and vitamin C in the tea to activate blood stasis effect is strong, can reduce the body's blood viscosity and cholesterol content, can effectively prevent atherosclerosis, hypertension, cerebral thrombosis and other cardiovascular diseases, so the family has cardiovascular disease patients can be developed into a good habit of drinking tea.

12, tea contains tea polyphenols with strong antioxidant and physiological activity, and thus strong anti-aging effect, so drinking tea can slow down the aging of people, keep young, prolong the role of life.

13, drinking tea can prevent senile cataracts.

14, tea has fluoride, drinking tea can effectively prevent dental caries, play a role in protecting the gums and gum bed, strong teeth.

15, tea in the tannins have antibacterial and antiviral effects, drinking tea can maintain the normal number of bacteria in the mouth, can effectively prevent and control bad breath.

16, drinking tea can maintain the normal acid-base balance of blood.

17, summer drinking hot tea has a summer cooling effect, make people feel fresh and cool.

18, helps diuretic effect, used to treat edema, water retention tumor, so that harmful substances out of the body.

The disadvantages of drinking tea

1, drinking a lot of strong tea for a long time will easily make the gastric juice become diluted, affecting the normal digestive function, thus causing bloating, abdominal pain and other physical discomfort.

2, reducing the body's absorption of iron. The tannins in the tea will prevent the body from absorbing iron, which will lead to iron deficiency anemia in the body in the long run.

3, drinking strong tea can cause constipation. Tea in the tannins and food protein chemical reaction to generate tannins, this tannin into a block, and not easy to be digested and absorbed by the human body, long-term accumulation in the body will lead to difficulties in defecation, resulting in constipation.

4, strong tea will aggravate the degree of heart failure. Drinking strong tea for a long time will increase the load on the heart and aggravate the symptoms of heart failure.

How to choose tea

1, if the tea is not brewed need to identify its quality, then observe its shape. The general shape of the curly, size, thickness, length is relatively uniform, color and lustre oily bright, varieties of features obvious, fragrant tea, for the top quality tea.

2, tea brewed by boiling water, where varieties of prominent aroma, aroma and clear phase fragrance, long odor for the top grade, low aroma for the second grade. After tasting the flavor mellow, mouth and tongue, aftertaste for the best; light and tasteless, astringent and numb tea for the coarse old and poor tea. Where the soup color is bright orange and yellow, translucency and refractive index is good for the top grade, thick yellow dark cloudy for the bottom grade. The tea leaves by the boiling water for the bottom of the leaf, where the bottom of the leaf is soft and yellow is a good tea, and on the contrary are inferior.

Who should drink less tea

The following kinds of people should not drink tea: iron deficiency anemia, neurasthenia and insomnia, dynamic gastric ulcers, urinary stones, liver disease, constipation, patients with pregnancy, lactation, menstruation, menopause, heart disease, drunkenness and so on.

Misconceptions about drinking tea

1, drinking tea after drinking can wake up, this is wrong. Wine ethanol in the body into acetaldehyde, but not yet had time to convert to acetic acid will be tea caffeine quickly squeezed into the kidneys, the kidneys produce too much stimulation, resulting in kidney damage. On the contrary, drinking tea before drinking has an anti-drunken effect.

2, the fresher the tea leaves, the better. New tea is the tea picked less than a month, this tea, although it tastes really good, but because of the shorter storage time, so its residual harmful substances on the human body is also more, long-term drinking will damage the body.

3, drinking tea will increase blood pressure. The catechins in tea can reduce cholesterol levels and blood lipids in the body, thereby reducing blood pressure, for the prevention and treatment of cardiovascular disease has great benefits.

4, drinking tea to cure all diseases. Not what people can drink tea, anemia, pregnant women, heart disease patients and other people are not suitable for drinking tea, but will aggravate the condition.

5, drinking tea on an empty stomach is good. Caffeine in tea will accelerate the heart rate, not only will make people feel panic, but also increase the amount of urination, so that the load of the kidneys increased.

6, drink overnight tea. Overnight tea is placed too long, the nutrients have been lost and deterioration, so drinking overnight tea damage to the stomach and kidneys.

7, drink the first tea. The first tea has a washing effect, washing residual pesticides and other chemicals in the tea, can not drink.

8, drink tea after meals. Many people like to drink tea after meals, which is unhealthy. Because the tannins in the tea will affect the body's absorption of iron in food, long-term so the human body will be iron deficiency, so an hour after the meal and then drink tea is the most appropriate.

Drinking tea can lose weight

In the case of controlling the daily dietary intake, drinking tea on the weight loss is a certain effect. Some of the substances in the tea can increase gastric secretion, thus promoting digestion; can also dissolve fat, play a role in reducing fat. Among them, oolong tea is the most obvious effect on weight loss, while drinking iron Guanyin has the effect of detoxification and skin care. In addition, Pu-erh tea phlegm elimination, slimming effect is good; and drink some flower tea is also helpful for weight loss, such as cassia tea laxative laxative, lipid and eyesight, promote digestion. In addition, green tea is also good.

Note on drinking tea

1, before and after meals or bedtime is not suitable for drinking tea. Drinking tea before and after meals can easily stimulate the stomach and intestines, affecting digestion and absorption; drinking tea before bedtime will increase urination, make the brain excited, thus affecting the quality of sleep.

2, drink tea in moderation. Drinking tea has many effects, but not the more you drink, the better, 3-5 grams of tea every day to drink, 1-2 times a day, drink the total amount of control in about 400 milliliters.

3, less strong tea. Strong tea over over-stimulation of brain excitability, the cardiovascular system, the nervous system is not favorable.

4, milk and other dairy products and tea can not drink at the same time. Tea in the theophylline and tannic acid and dairy products in the fusion of calcium together to produce a chemical reaction, the formation of calcium salts insoluble in water and excreted by the body, so that the nutrients in dairy products are not absorbed by the body.

5, after drinking wine can not drink tea. Drinking strong tea after drinking wine is a big stimulus to the kidneys, prone to kidney disease. In addition, the ethanol in the wine and tea together will enhance the stimulation of the heart, for normal people will increase the burden on the heart, not to mention heart disease patients.

6, less drinking too fresh tea leaves bubble tea. Fresh tea because of just picking, there are some residual substances that have an adverse effect on the body, drinking without treatment may be diarrhea, bloating and other adverse reactions. For patients with poor gastric function, more unsuitable for drinking new tea.

7, for female friends, during menstruation, pregnancy, breastfeeding, menopause between drinking tea. Women during menstruation, menstrual blood will take away a lot of iron in the body, the iron should be supplemented at this time to drink tea will undoubtedly add to the problem, because the tannins in the tea will hinder the body's absorption of iron. Secondly, drinking tea during pregnancy will aggravate the burden of pregnant women's heart and kidneys, may cause pregnancy poisoning. In addition, during breastfeeding and menopause should not drink tea, the baby is not good, more on their own body is not good.

8, drinking tea is seasonal, in the corresponding season to drink the corresponding tea will have good results. Spring drink flowers can remove the accumulation of winter cold in the body, increase the body Yang Qi, eliminate drowsiness, restore energy. Drinking green tea in the summer, both eyesight, fire, food and thirst, but also to reduce blood lipids, to prevent arteriosclerosis. Drinking green tea in the fall, green tea is warm and moderate, with skin moisturizing and throat, and the effect of heat. Drinking black tea in winter can not only keep warm, enhance the body's resistance, but also promote the body's digestion and absorption.

9, do not drink tea on an empty stomach, do not drink cold tea or more than 56 ℃ hot tea, otherwise it will damage the spleen and stomach.

10, do not drink tea brewed too long, do not drink overnight tea, tea do not brew many times, to help prevent the infection of bacteria and intake of harmful substances.

11, cold and fever can not drink tea, do not let the tea instead of boiling water to take medication contraindicated tea medication, otherwise it will aggravate the cold or affect the efficacy of the medicine.

12, drinking tea also depends on the individual constitution, hot and dry constitution is suitable for drinking cool tea, while warm tea is suitable for cold constitution.