People who regularly eat chocolate are more depressive, according to a study published in the Research in Archives of Internal Medicine.
The study shows those who eat at least a bar every week are more glum than those who only eat chocolate now and again.
Many believe chocolate has the power to lift mood, and the US team say this may be true, although scientific proof for this is lacking.
But they say they cannot rule out that chocolate may be a cause rather than the cure for being depressed.
Full article: news.bbc.co.uk/1/hi/8644016.stm