Psychologist, Ellen Hendriksen, Ph.D. writes in Scientific American, “In our psychological backpack, we all carry around beliefs that shape how we move through our days. The heaviest weight in our backpack is the beliefs about ourselves. And when it comes to setting the stage for depression, a 2009 study in the journal Cognitive Therapy and Research found there are two biggies that are particularly devious.” Read the rest of her article.