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Allostasis

Meaning

Allostasis is the dynamic physiological process of achieving stability through change, where the body actively adjusts its internal parameters to meet predictable or unpredictable external demands. It represents the crucial, dynamic regulation required to maintain physiological function in the face of chronic or acute stressors. This concept fundamentally contrasts with simple homeostasis, which aims to keep a single internal parameter constant. Effective allostasis is paramount for long-term health, resilience, and optimal hormonal balance.