Well now there is another reason to lose weight. Researchers at Tel Aviv University have discovered a correlation between obesity and bad breath. A study of 88 volunteers uncovered that a large number of these (more than people with a normal body mass) had bad breath. The researchers also uncovered a correlation between alcohol consumption and bad breath but this was less surprising as there was considerable anecdotal evidence of this relationship before the study was undertaken.
The researchers are now going to try to discover why this might be the case. A lot of bad breath is caused by bad dental hygiene. If people do not take care of their bodies through over-eating and not taking any exercise it would be safe to assume that they are highly unlikely to be taking care of their teeth and gums! However, let's wait for the results of the tests to see if there is a more "scientific" reason