Researchers from the University of Hong Kong have found that drinking tea can reduce total blood cholesterol levels by 25%. Another study that investigated the relationship between tea drinking and the incidence of hypertension found that the prevalence of hypertension was 10.55% among those who did not drink tea, and 6.95% of those who drank tea, and tea did have a certain antihypertensive effect. Researchers at china gunpowder tea Harvard University have pointed out that people who drink 5 cups of tea a day for 2 weeks will produce a large amount of antiviral interferon in the body, which is 10 times the content of people who do not drink tea. This protein that can resist infection can increase Human immunity and effectively help the body to fight the flu.