who created the theory of allostasis and the body’s response to chronic stressors
Allostatic load Allostatic load is "the wear and tear on the body" that accumulates as an individual is exposed to repeated or chronic stress.[1] It represents the physiological consequences of chronic exposure to fluctuating or heightened neural or neuroendocrine response that results from repeated or chronic stress.[2] The term was coined by McEwen and Stellar in 1993.[3]
Facial feedback hypothesis Charles Darwin was among the first to suggest that physiological changes caused by an emotion had a direct impact on, rather than being just the consequence of that emotion. He wrote: