Due to its composition and specific antioxidant properties, green tea helps protect against various types of cancer, including cancer of the esophagus, colon, stomach and skin. In addition to its antioxidant properties, green tea helps lower blood pressure and LDL cholesterol levels, helps prevent heart disease, and supports the immune system. It helps reduce blood clotting, inhibits bacteria that cause food poisoning, and also protects against digestive and respiratory infections.

Green tea may help as a weight loss aid as it burns fat by heating up the body -- a process called thermogenesis. It can help regulate blood sugar and insulin levels and combat mental fatigue. Green tea is also useful for arteriosclerosis.

When applied externally as a cream or gel, green tea can promote smooth, healthy skin.