The main ingredient of green tea is tea polyphenols  Recently, a large number of animal experiments have found that tea polyphenols can inhibit tumor cell proliferation and promote tumor cell death  However, through the study of a large number of people, some experts did not find that the more tea they drank, the lower the incidence of cancer
Only when a large number of people find that the more cancer they have, the lower the cancer incidence rate
 Accordingly, they do not think that drinking tea regularly can prevent cancer