Because group members, research, research on the benefit of tea, such as test group. Xanthine in ใบชา affects the cardiovascular system and circulation. Help expand the blood vessels, preventing coronary heart disease to narrow. The drinking man can still keep the air chest pain and myocardial infarction. Besides, drinking tea affecting glands wi. Pipe and help break down fat, as well as to reduce cholesterol levels. To increase the drive by cholesterol in the body through the water well in the feces.