Some medical diseases can cause halitosis. A fishy or mousey odour is present in advanced stages of liver disease. And untreated diabetes produces a sweet, fishy odour. The smell of garlic is usually due to eating it. But the Journal Of The American Medical Association says the too frequent use of selenium can cause bad breath.
Selenium sulfide is used to treat dandruff.
This chemical is also present in some lipsticks. Remember that one billionth of an ounce of onion can be detected by our sense of smell. Click Here to make suggestions, comments about C-Health.