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May 7, 2024 · Stress generally affects all body systems, including cardiovascular, respiratory, endocrine, gastrointestinal, nervous, muscular, and reproductive systems. The endocrine system increases the production of steroid hormones, including cortisol, to activate the body's stress response.
- Brianna Chu, Komal Marwaha, Terrence Sanvictores, Derek Ayers
- 2024/05/07
- 2019
Stress can be either a triggering or aggravating factor for many diseases and pathological conditions. In this study, we have reviewed some of the major effects of stress on the primary physiological systems of humans. Keywords: stress, physiology, homeostasis. Abbreviations. ACTH: Adrenocorticotropic hormone. CNS: Central nervous system
Oct 17, 2020 · Stress constitutes a state of threatened homeostasis triggered by intrinsic or extrinsic adverse forces (stressors) and is counteracted by an intricate repertoire of physiologic and behavioral responses aiming to maintain/reestablish the optimal body equilibrium (eustasis).
- Constantine Tsigos, Ioannis Kyrou, Eva Kassi, George P. Chrousos
- 2020/10/17
- 2016
- Chronic Activation of This Survival Mechanism Impairs Health
- Sounding The Alarm
- Techniques to Counter Chronic Stress
A stressful situation — whether something environmental, such as a looming work deadline, or psychological, such as persistent worry about losing a job — can trigger a cascade of stress hormones that produce well-orchestrated physiological changes. A stressful incident can make the heart pound and breathing quicken. Muscles tense and beads of sweat...
The stress response begins in the brain (see illustration). When someone confronts an oncoming car or other danger, the eyes or ears (or both) send the information to the amygdala, an area of the brain that contributes to emotional processing. The amygdala interprets the images and sounds. When it perceives danger, it instantly sends a distress sig...
Many people are unable to find a way to put the brakes on stress. Chronic low-level stress keeps the HPA axis activated, much like a motor that is idling too high for too long. After a while, this has an effect on the body that contributes to the health problems associated with chronic stress. Persistent epinephrine surges can damage blood vessels ...
- hhp_info@health.harvard.edu
Five themes are described that emphasize both the short-term and the long-term effects of the physiological mediators of the stress response and the central role of the brain as a target of stress and controller of the responses to stressors.
- Bruce S. McEwen
- 2007
Adrenaline and other hormones, and neuropeptides are produced and regulate cardiovascular and metabolic functions (inducing, for instance, increases in heart rate, breath frequency, glucose release) for a prompt response concerted to overcome the challenge.
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Stress can cause an imbalance of neural circuitry subserving cognition, decision making, anxiety and mood that can increase or decrease expression of those behaviors and behavioral states. This imbalance, in turn, affects systemic physiology via neuroendocrine, autonomic, immune and metabolic mediators.
