Some people with halitosis aren’t even aware that their breath smells bad, and that can be an issue not only because its unpleasant, but because you may be missing a bigger health condition. You could ask your close friends or family to confirm it.

An official breath test, though, can even screen the freshest-smelling breath for underlying health conditions. We’ll talk more about that in detail later.

Here are 9 ways in which your bad breath could be an indication of bad health: