Lung Cancer
Recently there was a large study of 170 patients with lung cancer and 340 healthy patients. It was found that the smokers and nonsmokers who didn't drink green tea had a more than five times greater risk of lung cancer compared to those who had at least a cup of green tea. For the smokers, those who did not drink green tea had a nearly 13 times increased risk of lung cancer compared to those who drank one cup or more of green tea per day.
Breast Cancer
One study had researchers initiating breast cancer in rats. They were split into groups that received no treatment or treatments of various antioxidants one of which was green tea extract.
At the end of the experiment there was 93.8% survival in the green tea extract group compared to only 33.3% survival in the control group that received no treatment. The survival rate for the groups receiving the other antioxidants was between 70% and 80%.
AllIt’s important to understand that the breast cancer was so severe that every single animal developed breast cancer. But the green tea extract group had delayed onset, smaller tumors, and triple the breast cancer survival rate. In addition, there were no toxic side effects from the green tea extract. (Hirose, 1994)
Heart Disease
Green tea was found in a study to protect heart arteries by keeping them flexible and relaxed, and better able to withstand fluctuations in blood pressure. The researchers found that the green tea drinkers experienced greater dilation of their heart arteries compared to those who drank either diluted caffeine or hot water.
Green tea was found to improve the function of endothelial cells which line the arterial walls. Malfunctioning endothelial cells play an important role in the development of clogged arteries. The improved endothelial function may lower the risk of blood clots and heart disease.
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