Green tea can be drunk every day. It is suggested that the daily consumption should not exceed 600 c c, and patients with kidney disease should drink less, because green tea has higher potassium ions. Because the function of kidney metabolizing potassium ion is not good, it is easy to cause potassium ion accumulation. Generally speaking, if the blood potassium in the human body is too high, it will have serious heart side effects, which will lead to arrhythmia and death.

According to the Dutch medical report, the key to preventing heart disease is green tea. The more catechins, the more you can prevent heart disease. Green tea is more effective than oolong tea, and oolong tea is more effective than black tea. Drinking 3 to 6 cups a day reduces the risk of heart disease by 45%. Although drinking tea can prevent heart disease, doctors also remind that excessive drinking will still have side effects such as affecting sleep, palpitations and anxiety. It is best not to exceed 6000 cups a day.

The tradition of drinking green tea is deeper than that of western countries. In the past decades, the health benefits of green tea have been widely publicized. Although some people are worried about the fluoride content, drinking green tea has gradually become popular in western countries.