General Adaptation Syndrome

Definition

General Adaptation Syndrome (GAS) is a three-stage process that describes physiological changes the body goes through when under stress. The stages include alarm reaction, resistance, and exhaustion.

Related terms

Stressor:

Any physical or psychological event or condition that produces physical and emotional reactions.

Homeostasis:

The tendency toward maintaining balance within biological systems.

Chronic Stress:

Long-term stress resulting from persistent situations or issues; this can lead to long-term health problems.