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Stress and Health

Stress and Health. Health Psychologists. Concerned with how our emotions and personality influence our risk disease, the effects of stress, and promote healthier living. Fight or Flight. Walter Cannon The response to stress

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Stress and Health

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  1. Stress and Health

  2. Health Psychologists Concerned with how our emotions and personality influence our risk disease, the effects of stress, and promote healthier living

  3. Fight or Flight • Walter Cannon • The response to stress • The sympathetic nervous system activates secretion of stress hormones • Increases heart rate • Diverts blood to skeletal muscles • Releases sugar and fat • All this is preparation for fight or flight response

  4. Hans Selye’s GAS • General Adaption Syndrome • Body’s response to stress comes in 3 phases • Phase I: Alarm Reaction due to sudden activation of sympathetic nervous system • Phase II: Resistance our temp, blood pressure, and respiration remain high, and there is a release of stress hormones • Phase III: Exhaustion where we are vulnerable to illness and in extreme cases collapse or death

  5. Catastrophes and Stress • Natural disasters are followed by psychological disorders like depression and anxiety • Included in this are sudden life changes such as loss of job • Daily hassles like rush-hour traffic, long lines, etc over time take a toll on health and well-being

  6. Pessimists vs. Optimists Health is affected when we stress over things beyond our control Pessimism adds to stress vulnerability Optimists report less fatigue, fewer head aches, and outlive pessimists

  7. Personalities and Heart Disease • Type A Personality • Toxic core is negative emotions and reactive anger • They secrete more hormones tied to plaque build-up on artery walls making them more susceptible to heart disease • Type B Personality • More relaxed and easy going • Less reactive when harassed or given difficult challenges and less susceptible to heart disease

  8. Stress and Health • Psychophysiological illnesses are caused by stress • Stress hormones suppress the immune system’s lymphocytes (white blood cells) • These help fight cancer, viruses, and foreign substances

  9. HIV/AIDS, Cancer and Stress • Stress and negative emotions correlate with the progression of HIV to AIDS • Which kind of goes hand in hand with the stress of having HIV • Magic Johnson? • Studies shown that people are at risk for cancer within a year of major depression • Swedish study found correlation between colon cancer and work place stress • Studies also show that a little stress can help fight cancer cells because the secretion of hormones • Too much reverses this

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