We all feel irritable from time to time, and have “blue” days or edgy moods.  But a mood disorder is more than a bad mood, it’s an ongoing struggle.  Recurring or chronic depressions are the most difficult of these, affecting one in ten American adults (and now increasingly recognized in children as well).  Here’s expert help, below.  In addition to the 21 therapists shown here, others not listed may also be well-qualified to help with mood and depression problems as well, but have chosen to feature other specialties instead.