Drinking strong tea for a long time will raise blood pressure, mainly because theophylline contained in strong tea will cause brain excitement, anxiety, insomnia and palpitations, which will lead to an increase in blood pressure.

In addition, the stimulation of caffeine will promote the heartbeat to be too fast, the blood flow to be accelerated, the breathing to be accelerated, and it will easily lead to arrhythmia or tachycardia, resulting in palpitation symptoms, which is a potential threat to patients with cardiovascular and cerebrovascular arteriosclerosis.

Precautions for drinking tea:

1, avoid drinking tea on an empty stomach:

Drinking tea on an empty stomach will cool the spleen and stomach, which is equivalent to "inviting wolves into the room." There has been a saying in China since ancient times that "you don't drink hollow tea".

2, avoid drinking hot tea:

Too hot tea irritates throat, esophagus and stomach. If you drink too hot tea for a long time, it may cause pathological changes in these organs. According to foreign research, people who often drink tea with a temperature over 62 degrees Celsius are more likely to damage the stomach wall and suffer from stomach problems. The temperature of drinking tea should be below 56 degrees Celsius.

3, avoid drinking Leng Cha, warm tea:

Hot tea can make people think clearly and keep their ears clear; Herbal tea has the side effect of cold coagulation and phlegm accumulation.

4, avoid brewing time is too long:

If the brewing time is too long, tea polyphenols, lipids and aromatic substances in tea will automatically oxidize, which will not only make the tea soup darker in color, worse in taste and lower in aroma, but also lose its taste value.

Moreover, because vitamin C, vitamin P and amino acids in tea are reduced due to oxidation, the nutritional value of tea soup is also greatly reduced. At the same time, because the tea soup has been put on hold for a long time and is polluted by the surrounding environment, there are many microorganisms in the tea soup, which is very unsanitary.

Refer to the above? People's Network-Drinking too much tea will hurt your health. Drink strong tea often and be careful of heart disease. People's Network-Drinking more tea is not as healthy as drinking tea. Pay attention to seven taboos.