Allostasis, Homeostasis, and the Costs of Physiological Adaptation

The concept of homeostasis, the maintenance of the internal physiological environment of an organism within tolerable limits, is well established in medicine and physiology. In contrast, allostasis is a relatively new idea of ''viability through change''. With allostatic regulation by cephalic involvement, the body adapts to potentially diverse and dangerous situations through the activation of ne...