Interesting comment. Some research supports at least some of it: https://www.sciencedaily.com/releases/2014/11/141119125105.htm https://www.sciencedaily.com/re

Interesting comment. Some research supports at least some of it: https://www.sciencedaily.com/releases/2014/11/141119125105.htm https://www.sciencedaily.com/releases/2014/11/141119125105.h... https://www.scientificamerican.com/article/depressions-evolutionary/ https://www.scientificamerican.com/article/depressions-evolu... While it may explain depressive moods or mindsets for many people, there's also a lot of supporting evidence for long-term, chronic, biochemical causes.