Bad breath comes from your tongue
True Or False?: TRUE
Tongues are gross. Billions of bacteria live on it, and it the case of bad breath, 90% of halitosis is related to dirty tongues. When your mom told you to brush your tongue as a kid, she knew what she was talking about. Breath mints and gum are only a temporary solution, while strong mouthwashes like Listerine actually do a decent job of fighting the funk.