Green tea has been in the spotlight for its number of health benefits. From a weight loss aid to prevention and treatment of cancer, this great beverage has evolved into a medicinal drink that caters to a myriad of illnesses that includes heart problems, cardiovascular diseases, high cholesterol levels, rheumatoid arthritis, infection, tooth decay, and many others. Green tea contains an antioxidant called epigallocatechin-3 gallate (EGCG) which is found to be useful in treating a variety of diseases.