Download or read book How Sadness Survived written by Paul Keedwell and published by CRC Press. This book was released on 2008-01-20 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: "What I am offering is a critical overview of ideas about depression, some new, some old, which fall under the discipline of 'evolutionary psychology'(EP). Do most types of depression represent an adaptation - an evolved mechanism which has improved our survival and reproductive value in our ancestral environment? Has depression been selected? Coul