Comparing up to 6 cups of caffeinated black tea a day to water, researchers study the assertion that tea acts as a diuretic and is not as hydrating as plain water.
The antioxidant content of a number of popular beverages is compared: black tea, coffee, Coke, espresso, grape juice, green tea, hibiscus (Jamaica flower) tea, milk, Pepsi, Red Bull, red tea, red..