According to the researchers, Green Tea is considered the healthiest drink and is believed to be rich in catechins, which are antioxidants that fight and prevent cell damage because it is not processed much. It lowers cholesterol and improves the blood flow in the body. It is believed to help in prevention from heart-related issues, maintaining blood sugar and blood pressure levels. It contains EGCG, which is an active ingredient that helps in losing weight. It is also considered good for the brain and blocks development of plaques that are related to Alzheimer’s disease.