The health benefits of oolong tea are basically doubled because of the combined qualities of black tea and green tea. According to the Tea Association of the United States, oolong tea falls somewhere between green and black teas, as its leaves are only partially oxidized. There are numerous kinds of tea in this world; but oolong tea might be one of the most beneficial.
The origins of oolong tea date back almost 400 years, when it found wide usage in China. It is a semi-green fermented tea, but the fermentation process is halted as soon as the tea leaves start to change their color.