The amount of adaptive work involved in allostasis.

Biological adaptation, such as the rise of EPINEPHRINE in response to exercise, stress or perceived danger, followed by a fall of epinephrine during RELAXATION. Allostasis is the achievement of stability by turning on and turning off the allostatic systems including the IMMUNE SYSTEM; the AUTONOMIC NERVOUS SYSTEM and NEUROENDOCRINE SYSTEMS.

Synonyms: Allostatic Loads, Allostatic Load, Load, Allostatic, Allostases, Allostasis, Loads, Allostatic