No one knows for sure whether tea type makes a difference when it comes to health,
but experts say all kinds of teas from the Camellia sinensis plant probably have
some health benefits. Each contains high levels of antioxidants, although the way
tea is processed (for example, how long it's fermented before being packaged and
shipped to stores) can change antioxidant levels as well as color and taste.
"If anything, the data would suggest that tea has benefits, and it doesn't much
matter if it's green or oolong or black. But the real definitive studies haven't
been done," says Jeffrey Blumberg, a tea researcher at Tufts Nutrition Center in