Is there a harm to drinking tea? What are the disadvantages of drinking tea

1. The disadvantages of drinking tea at night.

Drinking tea at night can easily affect the quality of sleep. There are three main parts of alkaloids: caffeine, theobromine, and theophylline.

These three types of substances take caffeine as the main component, accounting for 2%-4% of the dry matter composition of tea. After being absorbed by the human body, it has a significant excitatory effect on the central nervous system, which will excite the spirit and affect sleep.

Second, the role of caffeine.

1. Leads to excitement.

Excitement can lead to inability to sleep and even a high level of heart excitement. Therefore, in the early days in Hong Kong, many people who could not drink coffee would use high-concentration milk tea instead, which not only got nutrition, but also obtained a large amount of caffeine, which played the same refreshing role as coffee, so as to devote themselves to intense work.

2. Diuresis. The distribution of caffeine is concentrated in the bud head, and the caffeine content in the branches and old leaves is low. Therefore, teas with high caffeine content, such as high-end famous green tea, will show feelings such as raw jin, sweetness, bitterness, etc., and will frequently go to the bathroom.

It can reduce the cholesterol of the human body and keep people's blood pressure stable Tea should not be too strong, and it is easy to cause people to be agitated or sleep poorly, people with poor sleep conditions, these groups of people are not suitable for drinking tea, especially drinking tea before going to bed, drinking tea varies from person to person.

Yes, drinking too much is not good for people's health.

Neither is it. If you drink too much, your body will not be able to stand it. Drink like a fish. also no. Try to control your drinking water normally.

There is no loop. There are only benefits, because drinking tea can digest the stomach and intestines.

No. Don't drink too much

Try not to drink overnight tea.

Drinking a large amount of tea for a long time is harmful to the body, especially strong tea will cause indigestion and gastrointestinal diseases. After the tea is left for a long time, its oxalate content will increase greatly, which will increase the possibility of kidney stones forming in the human body. Affects the absorption of iron, and long-term consumption of tea may cause anemia.

Women's immunity will decrease during menstruation, so they should eat something warm at this time. Tea is a cold food, so it is recommended to drink less or not at all, because drinking tea will aggravate menstrual syndrome and affect menstruation.

Women during pregnancy should be especially careful in all aspects, especially in terms of diet, what pregnant women eat will directly affect the fetus, and they should drink less tea during pregnancy, especially strong tea, and be more cautious. Because tea contains caffeine, it will have a refreshing effect, and pregnant women will cause insomnia and affect the growth of the fetus after drinking tea.