Category Archives: The Three Phases of Stress

The Three Phases of Stress

Thanks to the pioneering work of two physicists Walter Cannon and Hans Selye we now understand better the physiologic effects of stress. Scientist Hans Selye is credited with describing the “Adaptation Response and the three phases of stress†. Phase 1 is called the Alarm Reaction. It is in this phase that we first perceive a threat to our wellbeing

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