Drink tea in moderation. Normal people, especially middle-aged and elderly people, should drink 4 ~ 5 cups a day. It is best to drink green tea. People who like to drink strong tea had better drink 1 ~ 2 cups of strong tea every day. Drinking too much tea will increase the load on the heart and kidneys. Strong tea makes the brain overexcited and the heart beats faster, leading to frequent urination and insomnia.
The brewing time of different kinds of tea is also very special. Only when the stirring time is appropriate can the best taste and efficiency be obtained. Making tea with warm water is not as beneficial as making tea with boiling water. However, when drinking, it is best to drink hot tea. Don't drink hot tea, otherwise it will cause serious irritation to the throat, esophagus and stomach, leading to mucosal damage of these organs. It is also not recommended to drink herbal tea for a long time, because herbal tea will have side effects on the body, such as cold coagulation and phlegm. The effective components in tea, whether cooked for too long or staying up late, will be greatly reduced, and harmful microorganisms in tea will also increase.
Drink tea less than five times, don't drink tea on an empty stomach, because the nature of tea in this sense will cool the spleen and stomach and make it easy to "drink tea". It is not advisable to drink tea immediately before or after meals, because drinking tea before meals will dilute gastric acid and make the diet dull, but it will also affect the absorption function of digestive organs. Drink tea immediately after dinner. Tannin in tea condenses with protein, iron and other foods, which affects the absorption of protein and iron. Tannin in tea can be combined with many drugs to produce precipitation, which affects the efficacy and is not suitable for use with tea. Drinking tea will not quench your thirst, but will only hurt your kidneys and make you sad.