We’ve all experienced it at one time or another. Garlic-breath from lunch. An accidental missed brushing opportunity. Waking up with that lovely morning breath greeting you in the mirror. Bad breath is no cause for alarm in these cases - it usually fades away quickly. But when your breath just won’t seem to stay fresh no matter what you do; brushing more, flossing daily, chewing gum - you can bet something else is at play. Read on to learn the true causes of chronic bad breat