A couple of articles.

The first one is a list of 10 things you may be doing that have been proven to make you less happy.  It's a very wise article.  The things include thinking too much about yourself and not getting enough sleep.  There are others there that might not be as easy to guess and you should go read it.

The next one is a list of 10 foods you should eat every day to help fight depression.  Hey, if we can beat this thing by eating, I'm all over that.

Keep fighting it.  It is winnable.