"In American diets, tea represents probably the single biggest source of flavonoids."
Antioxidants rid the body of molecules called free radicals, which are side products of damage done to the body by pollution and the natural aging process. Free radicals in the body's cells are very unstable and tend to react negatively with other important molecules like DNA, causing malfunctions and injury on the cellular level.

Antioxidants are thought to be behind the benefits of tea on dental health as well. A number of studies have suggested that rinsing with tea may lead to better oral health.