Stand in enough lines at the grocery store or ride in enough crowded buses, and you're bound to catch a whiff of breath that's strong enough to peel paint. And, if you're honest, you'd have to admit there have been times when your own breath has been less than rosy. Bad breath -- also known as halitosis -- isn't a trivial problem. Severe cases can strain relationships and sap confidence. Fortunately, even the most foul breath can be tamed. How much do you know about bad breath? Take this short quiz to find out.
