speaker: ya-wen tasi instructor: yu-yan zhang. unit 6 asthma
TRANSCRIPT
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Unite 6 Asthma&
Supplement reading:Oil spill’s human health impacts might extend into the future
Speaker: Ya-Wen Tasi
Instructor: Yu-Yan Zhang
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Unite 6Asthma
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Unit 6 Asthma
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brainstorming•How does Asthma affect Asthmatics the
most?
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brainstorming•What are the causes of Asthma?
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Main idea
•Asthma Asthma (from the Greek ἅσθμα, ásthma,
"panting")
•The Causes
•Treatment
•Health education
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Vocabulary-1
•Asthma [ˋæzmə] (n.) respiratory disorder
characterized by wheezing; usually of allergic origin
•Asthmatic [æzˋmætɪk] (n.) a person suffering from
asthma•Bronchial [ˋbrɑŋkɪəl] (adj.) elating to or associated with
the bronchi; "bronchial tubes"; "bronchial pneumonia“
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Vocabulary-2
•Assiduously [əˋsɪdʒʊəslɪ] (adv.) with care and persistence•Wheezing [hwiz] (n.) breathe with difficulty•Exacerbate [ɪgˋzæsɚ͵bet] (v.) make worse; "This drug aggravates the
pain“•Airborne [ˋɛr͵born] (adj.) moved or conveyed by or through air
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Vocabulary-3
•Allergen [ˋælɚ͵dʒɛn] (n.) any substance that can cause an allergy•Irritant [ˋɪrətənt] (n.) something that causes irritation and
annoyance• inhaler [ɪnˋhelɚ] (n.) a dispenser that produces a chemical
vapor to be inhaled in order to relieve nasal congestion
•Pharmacotherapy medical treatment with medicine
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Asthma
•Chronic disease
•Appears in youth and continues throughout adulthood
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Definition
•Airflow obstruction
•Bronchial hypersensitivity
•Underlying inflammation
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The causes
•Environment pollution
•Genetic inheritance
•Immune system problems
•Combination of factors can lead to or exacerbate asthma
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Symptoms
•Recurrence of chest tightness
•Coughing
•Shortness of breath
•Wheezing
•Asthma attack
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Condition
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Control the symptoms
•There is no cure, but the symptom can be controlled and managed.▫Appropriate use of asthma medication▫Avoidance of environmental irritants
•The frequency and severity of asthma attacks can be lessened.
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Asthma care•Asthma care begins at the time of
diagnosis and should continue with ongoing followed-up care.
▫Controlling factors causing asthma severity▫Assessment▫Monitoring▫Pharmacotherapy▫Education for asthmatics
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Suggestions
• Not smoke & not take cough medicine without consulting a doctor.
• Not use non-prescription inhalers▫Non-prescription inhalers may contain short-
acting drugs that may not last long enough to relieve an asthma attack and cause side affects.
• Aspirin and nonsteroidal anti-inflammatory drugs such as ibuprofen can cause asthma to worsen in certain individuals.
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Summary
•Asthma is a long-term disease but it is manageable.
•Medical treatment during the early stages of an attack is very important.
• The patient’s active involvement on treating this disease is vitally important.
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Discussing-1•How come the proportion of asthmatics
rise in the recent decades?
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Discussing-2
•If you suffer from asthma, what kind of life/treatment will you choose?
•Will you live in the fear of “asthma attack” ?
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Supplement reading:Oil spill’s human health impacts might extend into the future
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The Mexico oil spilling
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The Moxico oil spilling
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Brainstorming
•What impacts does oil spilling put on to the environment?
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Brainstorming
•What impacts does oil spilling put on to the human?
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Main idea
•The physical health problems caused by the oil spilling▫Breathing difficulties▫Skin irritation▫DNA damage
•The psychological ailments▫Higher rate of depression▫Anxiety ▫Posttraumatic stress disorders
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Vocabulary-1
•Crude oil [rɔt] (n.) ▫a dark oil consisting mainly of hydrocarbons
•Dermatitis [͵dɝməˋtaɪtɪs] (n.)▫inflammation of the skin; skin becomes itchy and
may develop blisters•Volatile [ˋvɑlət!] (adj.)
▫evaporating readily at normal temperatures and pressures; "volatile oils"; "volatile solvents"
•Dissipate [ˋdɪsə͵pet] (v.)▫to cause to separate and go in different
directions•
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Vocabulary-2
• Clump [klʌmp] ▫gather or cause to gather into a cluster
• Dermal [ˋdɝməl] ▫elating to or existing on or affecting the skin;
"cutaneous nerves"; "a cutaneous infection"• Inhalation [͵ɪnhəˋleʃən] (n.)
▫ the act of inhaling; the drawing in of air (or other gases) as in breathing
• Ingest [ɪnˋdʒɛst] (v.)▫Absorb; take in
• Detrimental [dɛtrəˋmɛnt!] (adj.)▫causing harm or injury
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Spill-related symptoms• More than 300 people had come forward with
Spill-related symptoms▫Chest pain▫Coughing ▫dizziness▫Headaches▫Respiratory distress▫Vomiting
• It is difficult to clinically distinguish toxic symptoms from other common illness.
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Damage caused by VOCs
•Respiratory problems
•Temporary central nervous system troubles
•Cancers
•Dermatitis & skin infection
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Supporting literature
•Scientist combed the literature for clues about long- and short-term impacts
▫270 people who work on clean-up of the Exxon Valdez spill filed claims for respiratory problems.
▫Those who worked most closely with the spilled oil had “a greater prevalence of symptoms of chronic airway disease," ”
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Spill-related health damages
•Workers & volunteers
▫Exposed to the most VOCs evaporating from the light oil floating on the ocean surface
▫Exposed to compounds from chemical dispersants being used
▫Contact with weathered oil, which clumps up and can coat beaches and animals
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Spill-related health damages•Residents in the affected communities are
also at risk of
▫exposure to wither crude oil in the water or weathered oil on the beach
▫Inhalational exposure to chemical compounds
▫Eating potential contaminated sea food
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Spill-related psychological ailments
•The psychological ailments prompted after dealing with spilling
▫Higher rate of depression
▫Anxiety
▫Posttraumatic stress disorders
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Conclusion
•“The impact of frequent natural and human-caused disasters such as Hurricane Katrina and now the oil spill, further strains populations that are already experiencing a great deal of stress."
•“Psychological and social impacts may be as significant as the physical impacts of the Gulf oil spill.”
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Discussion-1
•Why do people suffer from psychological ailments after the oil-spilling disaster?
•What is the deeper meaning?
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Discussion-2
•How can we approach to the balance between Nature & Culture?
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Discussion-3
•How will our future world become?
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Thank you for your attention!