What are some common causes of bad breath?

What in the hetaking. Not getting breaking down food out between your teeth using floss.
Hallatosis. Problems with bad breath (hallatosis) can be related to oral hygiene (i.e., caries, periodontal disease, insufficient saliva) or due to general medical problems such as sinusitis, gastric reflux, diabetes etc. Smoking is a major cause of ad breath. Recommend starting with a dental evaluation. If that doesn’t turn up the cause – then recommend evaluation by your physician. Take care.