Green tea has the effects of removing fat and helping digestion. Drinking more green tea can also prevent cancer, whitening, colds and periodontal diseases. Pregnant women and patients who have just had surgery should not drink green tea. Although the ingredients of green tea can help fight cancer and effectively deal with malignant tumors, it is not suitable for pregnant women and some surgical patients. Because according to a recent study, a substance contained in green tea: "EGCC" will prevent "angiogenesis". This kind of reaction is quite effective in killing bad cancer cells, because it relies on blocking new blood vessels and starving cancer cells by depriving them of nutrient supply, so don't think that green tea can be used endlessly!

Patients with diabetes can drink more green tea to prevent the sequelae of blindness, but for pregnant women, because their bodies are undergoing the proliferation of new blood vessels to raise their babies; Drinking green tea for patients who have just had surgery will make the injury heal slowly. Also, people who have a bad stomach should not drink more green tea because of its cool nature, otherwise it will be harmful.

It is better to drink less, and it is rare to drink it. You can't always drink it like water. Drinks generally have preservatives.