What harm does drinking strong tea have to the body? In our life, most people can't resist the existence of delicious food. There are many kinds of delicious food, and different foods have different nutritional values. Let's talk about the harm of drinking strong tea to the body.

What harm does drinking strong tea have to the body? 1 Strong tea contains high fluorine, tannic acid, caffeine, theophylline and other ingredients. Drinking strong tea in large quantities or for a long time will excite the central nervous system and may cause insomnia. In addition, it may also have adverse effects on gastrointestinal tract, heart and kidney.

1, central nervous system:

Caffeine, theophylline and other ingredients in strong tea can increase the excitability of the central nervous system, and excessive excitement of the brain may cause insomnia;

2, gastrointestinal tract:

Caffeine and theophylline in strong tea can promote gastric juice secretion and accelerate gastrointestinal peristalsis. Drinking strong tea for a long time will irritate the gastric mucosa, cause discomfort symptoms such as nausea, vomiting and diarrhea, and increase the risk of diseases such as gastritis, gastric ulcer and duodenal ulcer.

3. Heart:

Drinking strong tea can excite the sympathetic nerve, leading to a faster heart rate. Patients with hypertension and heart disease who drink a lot of strong tea may aggravate their condition and even cause other discomfort.

4. Kidney:

Strong tea contains fluorine, which is mainly metabolized by the kidneys. Drinking strong tea and taking a lot of fluoride will increase the burden on the kidneys. In addition, tea is rich in tannic acid, and long-term drinking of strong tea may lead to kidney calculi;

5. Others:

In the process of drug treatment, drinking a lot of strong tea will reduce the efficacy to a certain extent, and the ingredients in strong tea will inhibit the drug from exerting its efficacy or decompose the drug, which is not conducive to the treatment of diseases. In addition, drinking strong tea may affect the body's absorption of calcium and accelerate the discharge of calcium. Insufficient calcium in the body may lead to osteoporosis and even fractures. And strong tea contains a lot of tannic acid, which will affect the absorption of iron and lead to anemia and other problems.

It is recommended to drink less or no strong tea at ordinary times, so as not to have adverse effects on the body, but to drink light tea in moderation.

What harm does drinking strong tea have to the body? What are the effects and functions of strong tea?

Strong tea is good for people. Drinking strong tea often can help you clear away heat and toxic materials, relieve cough and phlegm, moisten the lungs and nourish the heart, strengthen the heart and diuresis, sober up and help digestion. Moreover, strong tea plays a positive role in helping to eliminate' greasy' in the body and assisting in the treatment of oral inflammation and sore throat. When we brew strong tea, we usually make the tea stronger, which can help people keep healthy.

Four Harms of Drinking Strong Tea Frequently to Human Health

Strong tea refers to the thickness of tea. Why do you think it's all strong tea? It depends on the depth of tea and the blandness of tea. The same China tea, the tea brewed with too much tea is also strong tea. Drinking strong tea can help people reduce fire and refresh themselves, but drinking strong tea is more harmful. If the patient has heart disease or stomach trouble, drinking strong tea will often aggravate the condition, so male friends should be especially cautious when drinking tea to avoid blind and irregular drinking.

1, the effect of strong tea on the heart

Strong tea is harmful to heart health. Tea contains 2%~5% caffeine, and the caffeine content in strong tea is higher. A cup of strong tea contains about 100 mg of caffeine. Excessive caffeine can lead to nervous overexcitation and insomnia. At the same time, it can also cause tachycardia, which is not good for patients with coronary heart disease who suffer from tachycardia, premature beats and atrial fibrillation.

2. The effect of strong tea on the stomach

Drinking strong tea can lead to stomach trouble and even gastric ulcer. High concentration of caffeine and theophylline in strong tea will increase the excitability of the central nervous system, which will lead to accelerated gastric peristalsis, excessive secretion of gastric wall cells, increased gastric acid, enhanced stimulation of gastric mucosa and easy to lead to gastric ulcer. Caffeine can also be addictive, forming a vicious circle.

3. Effect of strong tea on nutrient absorption

Strong tea hinders the absorption of nutrients, because strong tea also contains a lot of tannic acid, which can be combined with protein, vitamin B 1 and iron ions in food, so that these nutrients can not be absorbed normally, and it is easy to cause nutritional deficiency and produce corresponding symptoms, such as anemia and constipation. Studies have shown that drinking strong tea will aggravate diseases such as hypertension, heart disease, diabetes, nephritis and hepatitis.

It is harmful for women to drink strong tea during menstruation, pregnancy, childbirth and lactation.

Drinking strong tea during menstruation can lead to anemia. Drinking strong tea in pregnant women will lead to increased urination, affect the absorption of nutrients by the fetus, and lead to fetal dysplasia. Drinking strong tea during childbirth will lead to fatigue during childbirth, and drinking strong tea during lactation will stimulate the baby, cause excitement and affect the child's development.

Although strong tea has the effects of clearing away heat and toxic materials, moistening the lungs and resolving phlegm, and strengthening the heart and diuresis, drinking strong tea often will help digestion and relieve boredom. People with lisp and sore throat can drink strong tea to sterilize. However, people with damp-heat syndrome and smoking and drinking too much are not suitable for drinking strong tea. Strong tea is also not suitable for pregnant women, lactating and menstruating women, and drinking strong tea often will damage the health of the heart and stomach, so you'd better drink less.

What harm does drinking strong tea have to the body? What is the efficacy and function of strong tea?

1, improve heart function

Strong tea has a very positive effect on human heart, which can accelerate myocardial contraction, promote blood circulation, significantly enhance human heart function, and prevent myocardial infarction, myocardial ischemia, arrhythmia and other diseases. Strong tea can also reduce the blood viscosity, clean up the fat and cholesterol in the blood, and also have a certain preventive effect on arteriosclerosis that often occurs in human body.

2, hangover and detoxification

Detoxification is also the most important effect of strong tea, because the content of tea polyphenols in strong tea is relatively high, which can accelerate the decomposition and metabolism of alcohol in human body and repair damaged liver cells. When people have symptoms of drunkenness after drinking, drinking some strong tea in time can quickly relieve alcohol and reduce the damage of alcohol to human liver.

3, remove greasy

Removing greasy and preventing fat from accumulating in the body is also the most important function of strong tea, which can accelerate the catabolism of fat and inhibit the body's absorption of fat. After eating greasy food, people can drink some strong tea in time, which can play a role in getting rid of greasy food and preventing obesity.

What are the benefits of drinking strong tea?

Usually, people drink some strong tea in moderation, which is good for their health. It can not only protect the liver, but also prevent obesity and improve human heart function. In addition, it can eliminate sensitive bacteria in the human body and prevent inflammation from breeding in the human body, which has a very positive effect on maintaining human health.

The above has introduced some knowledge related to strong tea for you, which can make you know more about the function and efficacy of strong tea, and also know what good it is to drink some strong tea in moderation at ordinary times, but people who often suffer from insomnia and neurasthenia in life are not suitable for drinking strong tea, otherwise it will aggravate their illness.