WebMD.com published a story that quoted Dr. Chang regarding ways to treat at home bad breath otherwise known as halitosis. It is a common question for which Dr. Chang has already written more comprehensively about here . But at least in this particular article , he is quoted as saying: Eating the yogurt, you swish it all around in your mouth while you’re enjoying it, and hopefully, you get it to work for your mouth... If you can breathe through your nose but use your mouth out of ha…