Green tea is the healthiest beverage on the planet. It is rich in antioxidants and nutrients that have powerful effects on the body. These include improved brain function, fat loss, a lower risk of cancer and many other impressive benefits.Green tea has also been shown to help block the formation of plaques that are linked to Alzheimer’s disease. Green tea seems to help keep blood sugar stable in people with diabetes. Because catechins lower cholesterol and blood pressure, they can help protect against the damage a high-fat diet can cause.