In an attempt to help people understand depression, the World Health Organisation has put together the following animation. It can be accessed at:

http://www.upworthy.com/what-is-depression-let-this-animation-with-a-dog-shed-light-on-it?g=3&c=ufb1

For those who are interested, I Had a Black Dog, by Matthew Johnstone, is also available. This book is the author’s expression of his personal journey with depression and is expressed in layman’s terms.