
Do you- or someone you know- have chronically bad breath? There are several reasons why someone’s breath could smell bad- and in some cases, it is a sign of a more serious, underlying medical issue. Here are seven causes of bad breath: 1. Oral Hygiene The first and probably most obvious cause of bad breath is poor oral health and hygiene. The bacteria that build up on teeth from food and drink forms tartar- which smells terrible. This trapped food turns to…