Halitosis is a very common phenomenon that originates in the mouth.
It is as is commonly known the set of bad odors that are transmitted through the oral cavity. Halitosis or bad breath occurs mainly because of poor dental hygiene. Other causes can be some oral disease or even other pathologies of digestive type.
The main problem derived from having bad breath is that it can affect social relationships on the part of the sufferer, causing uncomfortable situations in their personal or work circle.