The stress response, which occurs when we are threatened or when we perceive a threat, has a long history in human development.
In its evolution, prehistoric and historic humans have experienced significant environmental stressors. These stressor influenced our genetic development.
The principle of natural selection favored individuals who efficiently conserved energy, endured dehydration, successfully fought potentially lethal agents, anticipated their adversaries, minimized exposure to danger and prevented tissue strain and damage. How do we handle these genetically selected traits today? See it after the jump. (more…)