Drinking tea may protect against gynecological malignancies, such as ovarian cancer59 and endometrial cancer,60 as well as lower your cholesterol,61 blood pressure,62 blood sugar,63 and body fat.64 It may protect the brain from both cognitive decline65 and stroke.66 Tea consumption is also associated with decreased risk of diabetes,67 tooth loss,68 and up to half the risk of dying from pneumonia.