Bad breath is not an independent disease, but a symptom. This does not mean that a healthy person will not have bad breath. Because there are many reasons for its formation, healthy people will stay up late, smoke, drink and eat spicy food, which is easy to cause bad breath symptoms.

People with bad breath often have a heavy mental burden, and they will also make others feel bored and unhappy when interacting with others. As you said, to eliminate bad breath, we must first find out the non-disease causes of bad breath symptoms and treat them.