Stress and the body

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  • Module 2:Chapter 4 - Oplin, M. & Hesson, M. (2013). Stress management for life: A research-based experiential approach (third edition). This PPT covers the effects of stress on the various systems of the body and the relationship between stress and disease. Use this PPT in conjunction with the YouTube videos posted in Blackboard.
  • http://www.youtube.com/watch?v=Wkkv9fr35Z8
  • Image url: https://www.google.com/search?hl=en&site=imghp&tbm=isch&source=hp&biw=1600&bih=768&q=muscular+system&oq=muscular+system&gs_l=img.3..0l10.2194.10854.0.11214.17.10.1.6.6.0.104.866.9j1.10.0....0...1ac.1.32.img..0.17.953.1Ewmzbz16ms#facrc=_&imgdii=_&imgrc=EBvWTJmGAy9d_M%3A%3BJVzLV_hKRLNT8M%3Bhttp%253A%252F%252Fwww.interactive-biology.com%252Fwp-content%252Fuploads%252F2012%252F04%252FMuscularManPosing.jpg%3Bhttp%253A%252F%252Fwww.interactive-biology.com%252Fcategory%252Fposts%252Fthe-muscular-system-posts%252F%3B3000%3B2953Title: Muscular Man Posingwww.interactive-biology.com
  • Bracing – persistent contraction of musclesSmooth muscles also brace – examples of this are the bladder bracing results in the urge to urinate, the intestines brace result in diarrhea
  • p. 47 & 48 of the textbook
  • See video for explanation of long-term effectsHeart – cardiovascular diseaseImmune – cortisol slows production of white blood cellsInflammation – cortisol promotes storage of fat cells, fat cells (produce chemicals that) cause inflammationOthers on p. 51 of the textbook
  • http://www.youtube.com/watch?v=wyDjRd0Tjss
  • Stress and the body

    1. 1. Stress and the Body Courtney Dowell, MPH, CHES Thomas Nelson Community College
    2. 2. Objectives  Describe the role of stress in disease  Discuss how stress can affect each of the body systems  Discuss various diseases associated with stress  Explain the relationship between stress and the immune response
    3. 3. Section 1: Effects of Stress on the Body
    4. 4. Systems of the Body  Nervous Cardiovascular  Muscular  Skin  Gastrointestinal  Immune  Endocrine
    5. 5. Impact of Stress on Cardiovascular System Oxytocin and vasopressin constrict the walls of blood vessels Vasopressin and aldosterone result in increased blood pressure Heart increases force of contraction Myocardial stunning – severe shock that can result in heart failure
    6. 6. Systems of the Body  Nervous  Cardiovascular Muscular  Skin  Gastrointestinal  Immune  Endocrine
    7. 7. Impact of Stress on Muscular System Persistent contraction of muscles Called??? Smooth muscles also contracted Result?
    8. 8. Systems of the Body  Nervous  Cardiovascular  Muscular Skin  Gastrointestinal  Immune  Endocrine
    9. 9. Impact of Stress on Integumentary System (Skin) Increases in perspiration/surface temperature falls Premature aging Proceedings of the National Academy of Sciences supports that chronic stress can shorten the lifespan of cells Cells of subjects aged 9-17 years more Indirect impacts can affect premature aging too
    10. 10. Systems of the Body  Nervous  Cardiovascular  Muscular  Skin Gastrointestinal  Immune  Endocrine
    11. 11. Impact of Stress on Gastrointestinal System Saliva reduced – dry mouth Contractions (bracing) of esophagus make swallowing difficult Hydrochloric acid increases Protective mucus decreases Peristalsis impacted Diarrhea or constipation
    12. 12. Systems of the Body  Nervous  Cardiovascular  Muscular  Skin  Gastrointestinal Immune  Endocrine
    13. 13. Impacts of Stress on Immune System Thymus, spleen and lymph nodes shrink White blood cells decrease/disappear Think about the functions of all those types of white blood cells Measures of Performance T cell count - normal AIDS – T cell count College students have lower immune function during exam periods
    14. 14. Systems of the Body  Nervous  Cardiovascular  Muscular  Skin  Gastrointestinal  Immune Endocrine
    15. 15. Impacts of Stress on Endocrine System Hormones trigger major changes in the body (homeostasis disrupted) Cortisol Adrenaline Noradrenaline
    16. 16. Effects of Medium-Term Stress  Muscles Tension/Pain  Headaches  Fatigue  Upset Stomach  Difficulty Sleeping  Bruxism  Cold or Sore Throat
    17. 17. Effects of Long-Term Stress  Heart  Immune System  Aging  Inflammation
    18. 18. Section 2: Stress & Disease
    19. 19. Connection of Stress & Disease Demonstrated by release of hormones (during stress response) Body response that can protect us can also damage us How we respond to stressor Healthy Unhealthy
    20. 20. Impacts of Stress Direct – physiological response  Increased blood pressure  Grinding teeth  Suppressed immune function Indirect – behaviors that result from stress  Smoking  Alcohol  Drug abuse  Poor nutrition  Lack of sleep
    21. 21. Stress & Disease Hypertension Cardiovascular Disease Stroke Cancer Ulcers Headaches Bruxism Autoimmune Diseases Other
    22. 22. References Oplin, M. & Hesson, M. (2013). Stress management for life: A research-based experiential approach (third edition). Belmont, CA: Thomson/Wadsworth. Websites and Images  Template and images courtesy of Microsoft Office clip art

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