Green tea is made from un-oxidized leaves and is the least processed type of tea and therefore contains the most antioxidants and beneficial polyphenols.Green tea was used in traditional Chinese and Indian medicine to control bleeding and heal wounds, aid digestion, improve heart and mental health and regulate body temperature.Recent studies have shown green tea can potentially have positive effects on everything from weight loss to liver disorders to type 2 diabetes.

Green tea is definitely an extremely healthy addition to the diet. I think the reason more people recommend green tea over white is that it has been studied extensively; it's more common plus it's easier and cheaper to buy.