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Stress as a bodily response

Stress - a state of physiological or psychological strain caused by adverse stimuli that tend to
disturb the functioning of an organism.
Stress is a type of alarm reaction, involving heightened mental and bodily states

Acute stress - sympathomedullary pathway (SAM)
SNS --> noradrenalin -->…

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The immune system:
Poorer functioning during acute and chronic stressors
Acute stress can enhance efficiency of immune system
Chronic stress only reduces efficiency
Stress associated with increased susceptibility to cold, flu, herpes virus, chickenpox
Cardiovascular disorders:
Higher anger ratings (acute) - higher risk of heart attack
Effects of stress are…


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