Close-up on …The General Adaptation Syndrome
In Hans Selye’s theory, General Adaptation Syndrome had three stages.
Stage 1 : Alarm reaction
This is the immediate reaction to a stressor. In the initial phase of
stress, humans exhibit a "fight or flight" response. This stage takes
energy away from other systems (e.g. immune system) increasing our
vulnerability to illness.
Did you know?
Hans Selye pioneered the field of stress research and provided arguments that stress impacted health.
Stage 2 : Resistance
If alarm reactions continue, the body begins getting used to being
stressed. But this adaptation is not good for your health, since energy
is concentrated on stress reactions.
Stage 3 : Exhaustion
This is the final stage after long-term exposure to a stressor. The
body's resistance to stress is gradually reduced and collapses as the
immune system becomes ineffective. In Selye’s view, patients who
experience long-term stress could succumb to heart attacks or severe
infection due to their reduced resistance to illness.