english: The reason for this has to do with the hypothalamic–pituitary–adrenal axis, the brain's and body's stress response system that governs our fight-or-flight response.
non_english: Razlog tome ima veze sa hipotalamičko-hipofizno-adrenalnom osom, moždanim i telesnim sistemom za reagovanje na stres koji upravlja našim odgovorom "bori se ili beži".