Throughout time, people have been aware of halitosis, or smelly bad breath. In fact, halitosis is mentioned in the Jewish Talmud. This condition is also discussed by Ancient Roman and Greek writers.
Some even say the prophet Muhammad, founder of Islam, had one of the congregants expelled from a mosque for having breath that smelled like garlic.
Because bad breath is an issue for many, people are always searching for a cure-all for their personal bad odor. In Brazil, people chew on cinnamon. In Italy, people chew parsley. In Thailand, foul smells are eliminated with guava peel leaves, which have a refreshing taste. In Iraq they use cloves and in Eastern Asia, aniseed is commonly used.