Studies show if you drink tea regularly, you may reduce your risk of Alzheimer’s, diabetes and some cancers, plus have healthier teeth and gums and stronger bones. How? Tea is rich in a class of antioxidants called flavonoids. Regardless of the variety of tea you choose, maximize the power of its flavonoids by drinking it freshly brewed. If you want to keep a batch of cold tea in your refrigerator, add a little lemon juice—the citric acid and vitamin C in that squeeze of lemon, lime or orange help preserve the flavonoids.