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How Can Stress Affect the Body in the Long Term?

What is the Bodies Response to Stress?

  • overproduction of myelin-producing cells and fewer neurons than normal (Bergland, 2014)

Adrenaline

Cortisol

  • The hippocampus, amygdala, and prefrontal cortex undergo stress-induced structural remodeling, which alters behavioral and physiological responses (McEwen, 2007)
  • Mobilizes carbohydrates and fat energy stores
  • Increase in blood glucose and fatty acid
  • Accelerates heart and activity of the respiratory system
  • Increased levels of amino acids
  • Cell repair
  • Suppression of the inflammatory response

(Nelson Biology 12)

Work Cited

How Stress Affects

Homeostasis

By Alexandra Andrekovic

Bergland, C. (2014, February 14). Chronic Stress Can Damage Brain Structure

and Connectivity. Retrieved March 6, 2015, from https://www.psychologytoday.com/blog/the-athletes-way/201402/chronic-stress-can-damage-brain-structure-and-connectivity

McEwen, B. (2007, July 1). Physiology and Neurobiology of Stress and Adaptation: Central

Role of the Brain. Retrieved March 6, 2015, from http://physrev.physiology.org/content/87/3/873

Nelson Biology 12. (2003). Di Giusseppe, M., Vavistsas, A., Ritter, B., Fraser, D., Arora, A.,

Lisser, B. Nelson Thomson Learning (Toronto)

What Is Stress?

  • Stress is caused by disruptions in the internal or external environment.
  • The nervous system and endocrine system make psychological changes to help the body deal with stress (Nelson Biology 12).
  • Best described as the fight or flight response.
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