Why Do We Do It?
/In the Challenge of Change Resilience Training we define stress as ruminating about emotional upset, and there’s a question that is almost always asked: ‘Why do we ruminate?’ The widespread oversimplification of evolutionary processes leads many to assume that it is somehow embedded in our genes, and that it got there because when we lived in caves we had to be vigilant about the predators around us. For a behaviour to evolve there has first to be an accident, a fault in DNA transcription. This mutation will be selected for and passed on only if it enhances sexual selection or access to food – hence aggression is positively selected, since the more aggressive animal mates more often and more effectively chases competitors for food from its territory.
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