This is an article by Christina Laun. Her main points:
1. Tea contains antioxidants. Antioxidants can help slow down aging and help your cells to regenerate and repair. Teas of all varieties contain high levels of antioxidant polyphenols that can help keep your body healthier and some studies suggest even ward of some cancers.
2. Tea has less caffeine than coffee. While there are some potential health benefits to consuming moderate amounts of caffeine, drinking loads of it is hard on your heart and other organs. Tea can provide the pick me up of coffee but without the high levels of caffeine making you less jittery and helping you get to sleep when you want. (NOTE: we're not sure we agree with this part based on recent lab tests we've conducted. But you can easily decaffeinate by pre-steeping your tea.)
3. Tea helps keep you hydrated. Conventional wisdom held that caffeinated beverages actually dehydrated you more than they hydrated you. Recent research has shown, however, that caffeine doesn’t make a difference unless you consume more than 5 to 6 cups at a time. Tea has been shown to actually be more healthy for you than water alone in some cases because it hydrates while providing antioxidants.
Read the whole article here.