If this is you go get tested. If not, stop worrying and test yearly. This from CurrentTV's link to the Rueter's report.
"When we looked at the people in our study who had elevated symptoms of depression, they were more likely to eat more calories, they exercised less, and they were more likely to be current smokers. And as a consequence, they were also more obese," Golden, whose study was published in the Journal of the American Medical Association, said in a telephone interview.