I think so
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- Health: Is There A Proven Link Between Food And Depression? (12/7/2011)
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- Technology: The Number Of Single Mothers Is Rising So Fast That When Do You Think They Will Make Up The Majority? (6/11/2012)
- Entertainment: Why Does The Media Act Like Rising House Prices Is A Good Thing (Australia)? (10/18/2011)
- Health: (1)What Is Obesity? Is Obesity Always Due To Overeating? (4/12/2012)

Jude,
Yes there is a link between depression and obesity. Check this
out because I believe it is very insightful.
http://www.vagusnervestimulation.com/obesity/depression.cfm
yes.
Yes, a recent study has indicated that depression hits losers the hardest.