health benefits of black tea
1 Benefits of drinking black tea include decreasing your risk of cardiovascular disease (such as heart attack and stroke). As little as 3 cups of black tea per day can decrease the chance of cardiovascular death by as much as 11%.  Black tea is a tremendous source of potent antioxidants.
In a study where people drank black tea for six weeks, researchers were able to show a significant decrease in the stress hormone cortisol, Kirkpatrick says. Participants reported less stress and a greater sense of relaxation.. Black tea has also been used to improve memory and may even help get rid of headaches.