The general theory of adaptation syndrome is the process the body undergoes when it responds to stress. Be it physiological or psychological. The process consists of three steps: alarm, resistance and exhaustion.

During the "alarm" phase, which is Tom's phase, acute stress occurs. The body seeks a rapid organic response to cope with what is causing stress by activating the hypothalamus and pituitary with ACTH (adrenocorticotropic hormone) release in the central nervous system. ACTH stimulates the adrenal glands to secrete corticosteroids and adrenaline (catecholamine). The adrenal glands begin to produce and release stress hormones (adrenaline and cortisol), which accelerate the heartbeat, dilate the pupils, increase sweating and blood sugar levels, reduce digestion (as well as growth and interest). by sex), contract the spleen (which expels more red blood cells to the bloodstream, which increases tissue oxygenation) and causes immunosuppression (reduced body defenses). The function of this physiological response is to prepare the organism for action, which may be “fight” or “escape”.

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