Common Mental Health Disorders Caused by Adversity, not Chemistry?

[The Magistrate]

1. Makes A Good Deal Of Sense, Ma'am

Most of human history can be viewed as a great mass of chronically depressed people, lorded over by a handful of sociopaths and psychopaths.

Given actual conditions of disease and violence, it is hard to think many people prior to our era reached maturity without being scarred by episodes that today would be considered sufficient to induce post-traumatic stress disorder. Both this, and frequent bouts of extreme anxiety would have been normal, not aberrant.