2. Lactating women: Drinking strong tea during lactation, too much caffeine will enter the milk, and the child will be indirectly excited after breastfeeding, which will easily lead to less sleep and more crying.
3, drunk: drinking strong tea will increase the burden on the heart. Drinking green tea will also accelerate diuresis, so that toxic aldehydes in alcohol can be discharged from the kidneys before decomposition, which is very irritating to the kidneys and harmful to health.
4. Drug users: Tannin and theophylline in green tea can change chemically with some drugs, so it is not appropriate to use tea to give drugs, so as not to affect the efficacy.
5, people with cold constitution: green tea is cold, people with old physical weakness and cold constitution should not drink more.
6, before going to bed: drinking green tea will make the spirit excited, affect sleep, and even insomnia, especially the newly picked green tea, after drinking, the nerves are extremely excited, causing insomnia.
7. People with fever: Caffeine in green tea can not only raise body temperature, but also reduce drug efficacy.
8. Patients with liver disease: Most substances such as caffeine in green tea are metabolized by the liver. If the liver is sick, drinking too much tea will exceed the metabolic capacity of the liver and damage the liver tissue.
9. People with weak stomach: Green tea has not been fermented, and caffeine and theophylline in it have a strong stimulating effect on the stomach. People with weak stomach should drink less to avoid increasing the burden on the stomach.
10, female menstrual crowd: The combination of tannic acid and iron contained in tea is easy to aggravate anemia, so menstrual women should drink less tea, and green tea is cold, which will lead to adverse reactions such as dysmenorrhea.