Lecture 6 Stress and Health for posting (1)

Lecture 6 Stress and Health for posting (1) - Stress and...

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Unformatted text preview: Stress and Health Lecture 6 Stress and Disease Unhealthy behaviors (smoking, drinking, poor nutrition and sleep) Persistent stressors and negative emotions Release of stress hormones Cardiovascular disease Mental health problems Reproductive problems Immune suppression Increased risk of diabetes Stress and Stressors Stress: the response of an organism to stressors Stressors:- Stimuli causing stress- typically perceived as threatening or challenging, induces fear or anxiety- Anything that throws body out of allostatic balance Homeostasis and Allostasis Homeostasis - homeo the same - stasis state Allostasis - allo different- stasis state Achieving stability through change: Continuous adjustment of the organism in response to stressors Allostatic Load : Wear and tear on the body that results from ongoing allostasis Walter B. Cannon (1871-1945) Fight of Flight Response the stress response: The bodys response to immediate physical danger Energy is mobilized, either to mount an aggressive response, or to run away. Sometimes stress can help you Accident Test Fight Yerkes-Dodsons Law : performance increases with arousal but only to a point General Adaptation Syndrome (GAS) Hans Selye (1907 -1982)...
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Lecture 6 Stress and Health for posting (1) - Stress and...

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