"Tea may freshen your breath."

A University of Illinois study looked at chemicals in tea known as polyphenols. Experiments in the laboratory showed they slowed the growth of bacteria associated with bad breath. "Besides inhibiting the growth of pathogens in the mouth, black tea and its polyphenols may benefit human oral health by suppressing the bad-smelling compounds that these pathogens produce," according to Christine Wu in Chicago.

BBC News, May 20 2003