What causes halitosis? What's the best way to eliminate bad breath?
Speaking of halitosis, my mind immediately flashed a scene like this: the doorbell rang, and he was anxious to wait for his girlfriend to come. He hurriedly told the parrot a few words. Unexpectedly, the parrot was stunned by his halitosis, fell down and shouted, "You have bad breath! You have bad breath!" Funny aside, you may ask: What causes halitosis? What's the best way to eliminate bad breath?