Depression and anxiety are sometimes hard to tell apart. While they may seem like completely different conditions, chronic depression can hide anxiety, while people who suffer from general feelings of anxiety may actually be experiencing a symptom of depression. Further, when people begin treatment for depression, the new focus on underlying issues sometimes causes anxiety symptoms, such as frequent heart palpitations, agitation and feelings of nervousness.

Excerpts from the free ebook Tips To Treat Depression. "Depression is a challenging condition to overcome, but you will learn that there is much you can do to improve your situation and regain control."

Depression is not like the flu, where a certain virus is the cause. There are a lot of factors that appear to contribute to depression, and perhaps a group of factors is responsible for causing depression when they come together in a certain way. In the end, knowing what causes depression may not be as important as knowing how to treat it.