20 , 21 Much earlier, Selyes concept was born outside of the gastrointestinal tract, in the adrenal gland, and Selye conceptualized the general syndrome of adaptation (i.e., adrenal gland hypertrophy, thymolymphatic involution, and stomach stress ulcers) to achieve general homeostasis in the whole body while the derangement could explain the genesis of many stress-induced diseases
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These checkpoints frame the most common evaluation moments