• Preventing normal cells from turning cancerous
• Suppressing the formation and growth of tumors.
• Guarding against free radical damage (radiation) that can bring about cancer, diabetes, and aging.
• Enhancing the function of the Immune System
• Controlling cholesterol levels
• Lowering the risk of stroke by making platelets less sticky
• Controlling blood pressure levels
• Keeping blood sugar at moderate levels
• Fighting food-borne bacteria, like salmonella, ecoli
• Promoting friendly bacteria in the intestines and encouraging bowel regularity.
• Fighting viruses
• Assisting weight loss by blocking the breakdown of starch.
• Provides a mild stimulation effect without causing sleeplessness or nervousness.
• Fights bacteria in the mouth that causes cavities and bad breath.
• Slows the aging process
• Maintains the body's fluid balance
• Reduces stress

From Green Tea, The Natural Secret for a Healthier Life by Nadine Taylor, M.S., R.D.