Today we're discussing stress from a biological perspective.

Wikipedia defines stress as an organism's response to environmental or life changes, explaining that multiple bodily systems, particularly the autonomic nervous system and the hypothalamic-pituitary-adrenal (HPA) axis, are activated. The text explores the physiological mechanisms of stress, including the "fight-or-flight" response and the role of hormones like adrenaline and cortisol. Furthermore, it differentiates between acute and chronic stress, outlining the detrimental effects of prolonged stress on health, development, and mental well-being, such as increased risk of infection and various psychopathologies. The article also touches upon the historical evolution of the term "stress"and introduces key psychological concepts like eustress and cognitive appraisal, highlighting how individuals perceive and cope with stressors.

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