Generally speaking, oolong tea, narcissus, Tieguanyin and other green teas have good effects, which can fight cancer, help digestion, enhance memory and refresh the mind. However, if you are a person who is afraid of cold, try not to drink green tea, and you can drink black tea instead.
A good habit is to drink a cup of light tea on an empty stomach after getting up in the morning. There is a folk saying that "drinking a cup of tea in the morning will starve the doctor's family", which means that this habit can keep the body well and make the doctor's skills nowhere to display. This is a fact. Liu Shichang said that having breakfast every half an hour after drinking a cup of tea in the morning can clear the stomach.
Second, drinking strong tea often can cause fluorosis.
-People with constipation should not drink tea. Because polyphenols in tea have a certain astringent effect on gastrointestinal mucosa, constipation patients will aggravate constipation if they drink tea.
-People with neurasthenia or insomnia should not drink tea. Because caffeine in tea has obvious exciting effect on cerebral cortex, drinking tea will make the brain extremely excited and unable to rest.
-People with iron deficiency anemia should not drink tea. Because tannic acid in tea leaves will make iron in food form a precipitate that is not absorbed by the human body, which will aggravate anemia.
-People with calcium deficiency or fracture should not drink tea. Because the alkaloids in tea will inhibit the absorption of calcium in duodenum, it will also lead to calcium deficiency and osteoporosis, making it difficult to recover the fracture.
-People with ulcers should not drink tea. Because theophylline in tea will reduce the activity of phosphodiesterase and make gastric parietal cells secrete a lot of gastric acid. Hyperacidity will inevitably affect the healing of ulcer surface and offset the efficacy of some antacids.
-People with urinary calculi should not drink tea. Because tea contains more oxalic acid, drinking tea will aggravate the development of stones.
-Don't drink tea when you have a fever. Because theophylline contained in tea can raise human body temperature, the cooling effect of drugs is greatly reduced or even disappeared. Therefore, patients with fever should not drink tea.
Tea spa is unique.
Tea is an ordinary daily drink. If skillfully used, it can alleviate or prevent many common diseases.
—— Prevention and treatment of dental caries in children: Fluorine in tea can prevent teeth from dephosphorization and decalcification in acidic oral environment, so gargling with tea can prevent dental caries.
-Palpitation and nausea caused by bad breath or excessive smoking can be relieved by gargling with tea and drinking proper amount of strong tea.
—— People who are prone to bleeding when brushing their teeth: You can drink tea often, because tea is rich in vitamin C, iron and hemostatic ingredients, which can make the gums tough, increase the elasticity of capillaries and prevent bleeding.
-Motion sickness and seasickness: drink a small cup of warm tea in advance with 2-3 ml of soy sauce.
-Diarrhea: Tannic acid in tea has astringent and antidiarrheal effects. Drinking strong tea can stop diarrhea.
-When the baby's skin is wrinkled and swollen: you can boil water with tea and rinse it for the baby at a suitable temperature.
—— Overwork: A cup of fresh tea can quickly eliminate fatigue and restore energy.
-People who suffer from overeating and greasy: You can drink strong tea, such as brick tea or Tuocha, and the greasy effect is better.
-Patients with high cholesterol and cardiovascular diseases: Drinking a cup of tea and water every day can lower cholesterol and protect the cardiovascular system.
-loss of appetite and yellow urine: drink more light tea.