What You Need to Know About Bad Breath

When mints don't cut it, get to the root of the problem

- Allison Baker

Eighty to 90 per cent of bad breath is caused by bacteria living on the tongue. These organisms, which feast on food particles stuck between the teeth and in the grooves and crevices of the tongue, excrete sulphur compounds as they digest, which let off a foul smell. You already know the solution to this: brush and floss every day.