One in a 100 people in the US will die by suicide. It's a common cause of death. Could suicide and depression be a response to civilization and modernity? This

One in a 100 people in the US will die by suicide. It's a common cause of death. Could suicide and depression be a response to civilization and modernity? This article cites some evidence that the suicide rate was much lower among various groups of hunter-gatherers: http://www.academia.edu/4777783/Suicide_Among_the_Mla_Bri_Hunter-Gatherers_of_Northern_Thailand_by_Mary_Long_Eugene_Long_and_Tony_Waters http://www.academia.edu/4777783/Suicide_Among_the_Mla_Bri_Hu...