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Stress and Health
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Stress and Illness Leading causes of death in the US in 1900 (Tuberculosis) and 2014 (Heart disease). Percentage U.S.deaths 30 20 10 Tuber- culosis Pneu- monia Diarrhea/ enteritis Heart disease 1900 Cancer Strokes Chronic lung disease 2014 Unlike many leading killers a century ago, today’s major killers are more lifestyle-related
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What is Stress? Stress: the process by which we perceive and respond to certain events, called stressors, that WE APPRAISE as threatening or challenging. Stressors Catastrophes Life changes Hassles Intervening factors Appraisal Perceived control Personality Social support Coping behaviors Stress reactions Physiological Emotional Behavioral
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Stress and Health Health Psychology:
subfield of psychology that focuses on how stress affects well-being and health.
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Stress Appraisal Appraisal Response Stressful event (tough math test)
Threat (“Yikes! This is beyond me!”) Challenge (“I’ve got to apply all I know”) Panic, freeze up Aroused, focused Appraisal Response
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General Adaptation Syndrome (GAS)
What is Stress? General Adaptation Syndrome (GAS) Stress resistance Phase 1 Alarm reaction (mobilize resources) Phase 2 Resistance (cope with stressor) Phase 3 Exhaustion (reserves depleted) The body’s resistance to stress can only last so long before exhaustion sets in Stressor occurs *Hans Selye’s concept of the body’s adaptive response to stress as composed of three stages: --alarm reaction --resistance --exhaustion
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Fight or Flight Response
internal processes that prepares the aroused organism for struggle or escape. occurs when the situation is interpreted as threatening. (i.e.) You arrive at your class to find the students taking a test for which you have not prepared: you have an internal urge to flee but you have learned from experience that you’ll have to face the music sooner or later.
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Types of Stressors: Daily Stress (can lead to “burnout”).
Significant Life Changes (like a death in the family). Catastrophes (hurricanes, terror attacks).
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What is Stress? Burnout:
Physical, emotional and mental exhaustion brought on by persistent job-related stress. Results of Burnout: Depression. Decreased performance. Cynicism.
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Stressful Life Events Chronic Stress by Age
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WHAT CAN WE DO TO CONTROL OUR HEALTH:
Get 7 to 8 hours of sleep every night. Eat breakfast every day. Get your weight to a normal level. Don’t smoke. Use alcohol moderately or not at all. Get regular physical exercise. Wear seat belts. Don’t drive at excessive speeds. Learn good diets and follow them. Find a physician with whom you can communicate.
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Stress and Control Rats that could turn off the shock stayed healthy.
No connection to shock source To shock control To shock source “Executive” rat “Subordinate” rat Control rat
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Importance of Control and Optimism
Elderly persons in nursing homes, that were given more control, significantly improved their health and psychological well-being. Studies have also shown that those who are more optimistic and have a more positive “explanatory style” also live longer. Seeing the glass half-full, not half-empty.
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Stress & Coronary Heart Disease
Hopelessness scores 3.5 3 2.5 2 1.5 1 0.5 Heart attack Death Low risk Moderate risk High risk Men who feel extreme hopelessness are at greater risk for heart attacks and early death
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Stress and the Heart
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Personality Types and Stress
Type B Type A Relaxed and easygoing. But some people fit in neither type. Feel time pressure. Easily angered. Competitive and ambitious. Work hard and play hard. More prone to heart attacks than rest of population.
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Promoting Wellness Martin Seligman.
American psychologist who researched helplessness before turning his interest to optimism. Wellness is a positive approach to living.
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Healthy Lifestyles Aerobic Exercise:
*sustained exercise that increases heart and lung fitness. *can also reduce depression. *lowers blood pressure. *cuts heart attack risks in half. *increases mood-boosting chemicals. Depression score 14 13 12 11 10 9 8 7 6 5 4 3 Before treatment evaluation After treatment No-treatment group Aerobic exercise Relaxation treatment
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Social Factors Leading to a Healthy Lifestyle
Family and Friends: A.) People with more social ties are less likely to die prematurely. B.) Married people live longer than those unmarried.
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Healthy Lifestyles Religious attendance increases life span.
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Predictors of mortality
Promoting Health Predictors of mortality Men Women Not smoking Regular exercise Weekly religious attendance Relative risk of dying 1 0.8 0.6 0.4 0.2
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Positive Experiences and Well Being
The field of Positive Psychology reports that there is a positive correlation between positive experiences and well being. Therefore, those that report more positive experiences also report higher levels of wellness.
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Flow Is a state of optimal experience that involves a challenge, requires skill, has clear goals and provides feedback. It also contributes to happiness.
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Overcoming Illness-Related Behaviors
Smoking-related early deaths
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Health Risks of Smokers
Higher rates of depression and divorce. 3 times more likely to drink alcohol. 17 times more likely to smoke marijuana. Harms nearly every organ in your body.
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Smoking Prevention The ups and downs or U.S. teen smoking.
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Preliminary findings of 1800 college students:
59 percent say they know their diet has gone downhill. During freshman year, students gain an average of 5.5 (men) and 4.5 (women) lbs. 66 percent of freshman don’t consume the recommended five servings of fruits and vegetables. 60 percent eat too much artery-clogging saturated fat. 50 percent of all students don’t get enough fiber. 30 percent of women don’t get enough calcium. 32 percent report decline in body image. 40 percent of women see themselves overweight. 41 percent report decline in overall happiness during freshman year. Students who exercise report greater levels of happiness.
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Obesity is caused by three main things:
how much exercise we do, how many times we use technology, and how much we eat .
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Obesity and Weight Control
Obesity and mortality Body-mass index (BM I) Men Women 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 Relative risk of death
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Obesity and Weight Control
Body mass index = (weight squared by height)
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Weight Control Trading risks
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Weight Control Thinning of Miss America
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Hours of television watched per day
Weight Control Obesity was more common among those who watched the most television. < >4 Hours of television watched per day in 1990s study Boys Girls 32 30 28 26 24 22 20 Skinfold fat measure (mm)
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Tips of Losing Weight Reduce exposure to tempting food cues.
Start exercising to boost your metabolism. Be patient, realistic, and moderate. Permanently change the foods you eat. Control your portions. Don’t skip breakfast and lunch to eat a big dinner.
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Nine Nutritional Rules to live by:
Make vegetables and fruits the heart of most meals and snacks. (fiber, vitamins, & other antioxidants) Go for whole grains. Don’t overlook beans. (plant protein, folic acid, fiber) Cook with liquid oils. (olive & canola oils) Favor fat-free dairy products. (calcium, minerals bring down blood pressure) Check your chicken…….take off fat and skin Lighten up on cheese. Move meats to the side. (supporting role) Order fish & shrimp. Choose grilling or broiled seafood for reduced intake of fat and calories.
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WHAT DO THE LABELS MEAN? “All Natural” has no legal meaning. (can still have preservatives, artificial flavoring, and other additives) “Light” or “Lite” is virtually meaningless. The term can refer to pale color, low sodium taste, reduced alcohol, fluffy texture. “Sugarless” or “sugar-free” means no sucrose (table sugar) but it does not cover glucose, fructose, or sorbitol. “Enriched” can mean that enriched foods have lost nutrients during processing and then replaced. “Low Calorie” simply means that a food has less than 40 calories per serving and less than 0.4 calories per gram “Fortified” mean that some nutrient has been added that was not there in the first place “Fruit-blend” refers to as little as 10 percent juice and may be mostly sugar and water “75% Lean” mean one-quarter fat by weight, which is a lot of fat.
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Stress When stress is bad, we call it distress.
When stress is good and it leads to something desirable we call it eustress. Any kind of change (+ or -) causes stress!!! (Remember the Social Readjustment Rating Scale!)
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Conflict Situations approach-approach conflict
avoidance-avoidance conflict approach-avoidance conflict double approach-avoidance conflicts
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