There have been many studies done on the various teas available and their health and skin benefits so I am going to highlight some of the findings here. Some teas have been found to help with cancer, heart disease, diabetes, cholesterol and weight loss. Flavonoids in teas are good for your heart and may even reduce cancer. Tea has antimicrobial qualities. There are many and varied types of tea available on the market with plenty of variations to choose from. However, the main and purest form of teas are green tea, black tea, white tea, oolong tea and pu-erh teas. All of those originate from a plant called Camellia sinensis which is native to India and China. Among the flavonoids and antioxidants in this plant is ECGC. It is known to fight against the free radicals that are associated with cancer, clogged arteries and heart disease.