11 Stress and Health_1

11 Stress and Health_1 - Stress and Health What is stress?...

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Stress and Health
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What is stress? Anything that knocks us out of homeostasis or homeostatic balance
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Epinephrine Norepinephrine •Glucocorticoids •Corticotropin-relasing hormone (CRH) •Corticotropin (ACTH) Sapolsky, 2004
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Stress Response “Fight or Flight” General Adaptation Syndrome (Selye, 1936) Alarm reaction Resistance Exhaustion
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HPA Axis
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Sources of stress Catastrophes Significant life changes Daily hassles Perception of no control & lack of predictability Poverty Pessimism
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Why don’t Zebra’s get ulcers? (Sapolsky, 2004) Stress and Health Coronary Heart disease Diabetes Compromised Immune system Cancer Impaired Reproduction system Pain Perception Depression Impaired memory Disrupted sleep
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Coronary Heart Disease During stress, the heart: Beats faster Beats with more force During stress, veins in the heart: Constrict Become more rigid During stress, your body: Conserves water
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Personality Types and Coronary Heart Disease Type A Type B Type D Critiques?
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Diabetes Effects of hormones The body and insulin The pancreas
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others lose weight when stressed? CRH
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This note was uploaded on 04/02/2008 for the course PSY 001 taught by Professor Valdivinos during the Spring '08 term at Drake University .

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11 Stress and Health_1 - Stress and Health What is stress?...

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