Green Tea To describe all of green tea’s health benefits, you’d have to write a book. This simple sip is antioxidant-packed and full of #flavonoids that may help reduce your risk of #cancer, speed up metabolism and prevent #heart disease. Drink up! A Japanese study found that those drinking five or more cups of green tea per day had a significantly lower risk of death – 23 percent for women and 12 percent for men.