Understanding Stress: Types, Stressors, and Body Response

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This content discusses the different types of stress, including distress and eustress, various stressors such as biological, environmental, and cognitive factors, and how the body responds to stress through stages like alarm, resistance, and fatigue. It also explores the impact of excessive stress on health and well-being.


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  1. Ch. 9 lesson 1 Terms Stress Stressors Body s response to stress Fatigue

  2. Ch. 9 lesson 1 objectives Distinguish between distress and eustress Identify stressors in daily life Discuss how the body responds to stressors Distinguish between physical, pathological, and psychological fatigue Relate excessive stress to disease

  3. Types of stress Distress - Negative stress, too much pressure or trauma Example : Too much homework or missing the bus Eustress - Positive stress, helps you achieve goals Example : Concern about final grade makes you study harder

  4. Kinds of stressors Biological - Biochemical imbalances, mental or physical illness, disabilities, or injuries Environmental - Poverty, pollution, noise, natural disasters Cognitive - Way you perceive a situation

  5. Kinds of stressors (cont) Personal behavior - Negative reactions caused by drugs Life situations Family death, divorce, friendship problems

  6. Bodys response to stress How your body and mind reacts to stress Nervous and endocrine system activated Most of body s response is involuntary

  7. Bodys response to stress (cont) 1ststage (alarm) Hypothalamus (nerve center in brain) is excited. Pituitary gland secretes a hormone, which in turn stimulates the adrenal glands to produce adrenaline.

  8. Bodys response to stress (cont) 2ndstage (resistance) When the body tries to repair itself from the stressful event and return to it s normal state. If prolonged you may become ill. Incredible feats of strength

  9. Bodys response to stress (cont) 3rdstage (fatigue) Tired feeling, lowers one s level of activity or desire

  10. Fatigue 3 types of fatigue 1. Physical - Lactic acid build up in muscles and causes soreness 2. Psychological Results from constant worry, depression, overwork, boredom, isolation

  11. Fatigue (cont) 3. Pathological - Tiredness brought on by overworking body s defenses for fighting disease. The flu, overweight, poor nutrition, drugs contribute to this fatigue.

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