The debate is ongoing as to how much of depression is a result of genetics or environmental factors. There is a clear link however to the link between depression, lifestyle, and physical health.

If you ask a group of people who've suffered from clinical depression to define the illness, you'll hear a variety of answers. Depression is a very personal experience that millions of people all over the world experience.

Different people manifest different symptoms, but one thing is certain: depression is a difficult illness that can destroy your life if left unresolved.

Depression is more than just feeling sad. One in five people will suffer from depression during their lifetime, and it is the leading cause of disability worldwide.  The good news is that depression is treatable. Understanding the different types of depression is important in identifying the most effective treatment options for you.