What is it about tea that is good for you?

Green tea: Tea is derived from the camellia sinensis tree. The leaves contain antioxidant polyphenols. The linus pauling institute reported a study that suggested green tea can assist w glycemic control. Studies show that the polyphenols in green tea have an anti-carcinogenic effect as well as leading to a reduced heart disease death rate. Too much caffeinatted tea can cause anxiety, GI upset or isomnia.