American scientists: women drink more green tea and oolong tea to prevent breast cancer

U.S scientists believe that oolong tea extract has "great potential" in the prevention of breast cancer Laboratory tests show that Chinese tea, which has been thought to be good for health for centuries, has stopped the growth of breast cancer cells The researchers found that the extract blocked the DNA of cancer cells and inhibited tumor growth and progression Green tea has a similar effect, scientists say However, black tea and black tea have little effect on cells Scientists at the University of St Louis in Missouri also analyzed breast cancer and breast cancer mortality in China Their analysis found that in areas with high consumption of Oolong tea, the probability of disease is usually low Incidence rate incidence rate of China oolong tea is 35% lower than the national average, and the incidence of breast cancer is 25% lower than that of Fujian, which is 50% lower than the national average in 2014 The data of the annual report of cancer registry of China and Fujian in 2014 showed that the incidence of breast cancer was lower than that of the national average The team said oolong tea is expected to become a non-toxic way to prevent breast cancer According to the research results published in the Journal of cancer research, the mortality rate of people who often drink oolong tea seems to be lower The mortality rate of people who often drink oolong tea in Fujian Province is 68% lower than the national average The researchers, led by Dr Chunfa Huang of the University of St Louis School of medicine, tested the effect of Oolong tea extract on six breast cancer cell lines From the research results, oolong tea, like green tea, plays an important role in inhibiting the growth, proliferation and tumor progression of breast cancer cells They can induce DNA damage and division, inhibit the growth, proliferation and tumorigenesis of breast cancer cells, and are potential anti breast cancer drugs The cells treated with black tea and black tea extract had no or very weak effect.