>> flossing is so important with heart disease. >> that's absolutely important. and just going back to what mark just mentioned, a lot of time this is mouthwash can basically open up the membrane in the oral cavity. and some of the material can get in to cause this kind of problem. same thing, by doing the floss and toothbrush and brushing your teeth, you are reducing the number of bacterias to get into the blood that can cause endocarditis. >> in the old days, they used to say eat parsley for the stomach and even give it to dogs, i believe, so the stomach acid would neutralize to not have bad breath. >> i like parsley. that's a great idea. now we are into probiotics to neutralize bad bacteria. >> that word comes from bad breath? >> it usually comes from the stomach or bad oral hygiene. use the probiotics, yogurt,