Breathe Clean Air Air and Breathing

Lung Diseases

Air Quality

Some Topics

  • Sarcoidosis

    Sarcoidosis is a multisystem granulomatous disease. Environmental sources of antigens interact with immune defenses to create the granulomatous response. Granulomas appear in the lungs and the lymph nodes that receive antigens from the lungs.Granulomas also appear in the skin and other organs. Occupational clusters have been reported in health-care workers, US Navy enlistees, teachers, automobile manufacturers, retail industry workers, and firefighters.

    Granulomatous diseases have been associated with exposures to organic dusts, metals, chemical dust, silica, wood dust, and smoke. Izbickifollowed 26 fire fighters who developed sarcoidosis after exposure to World Trade Center dust during the collapse and rescue/recovery efforts. A large number of exposed citizens developed upper respiratory symptoms, especially a chronic cough and increase in asthma attacks from inflammation in the upper and lower respiratory tracts but only a small number developed granulomatous disease.

    More than 400 substances were found in samples of WTC dust in four main categories: (1) particulate matter (calcium carbonate and silica) and fibers (chrysotile asbestos, fibrous glass, gypsum); (2) organic chemical pollutants, including polycyclic aromatic hydrocarbons, other hydrocarbons (naphthalene, fluorine, polychlorinated biphenyl, dibenzo-p-dioxins, and diphenyl ethers), benzene, and freon; (3) gases, such as carbon monoxide, hydrogen sulfide, combustion byproducts from WTC fires that burned until mid-December 2001, and diesel exhaust fumes from the vehicles/machinery employed during the rescue recovery effort; and (4) heavy metals. Some of these substances had already been associated with granuloma formation. [i]

    [i] Gabriel Izbicki, Robert Chavko, Gisela I. Banauch; et al World Trade Center "Sarcoid-Like" Granulomatous Pulmonary Disease in New York City Fire Department Rescue Workers.CHEST. 2007;131(5):1414-1423.

  • Discussions of Environmental Science and Human Ecology were developed by Environmed Research Inc. Sechelt, B.C. Canada. Online Topics were developed from two books,
    Air and Breathing
  • The Environment
  • Air and Breathing helps you understand breathing, respiratory diseases, air quality issues, airborne infections and other causes of breathing disorders. You will find detailed information about the respiratory tract, atmosphere, air pollution, airborne infection, air quality allergy, lung diseases and airborne hazards at home.
    2018 edition 106 pages.
    Air and Breathing Print Edition for Download.

    The Environment

    In the book, The Environment, you will find detailed information about the weather, climate change, soils, forests, energy sources, oceans, the atmosphere, air pollution, climate change, air quality and the politics of the environment. The Environment is available as a Printed book or as an eBook Edition for download.

    Download The Environment as an eBook

    The Author Stephen J. Gislason MD

    Food Causes

    Not all respiratory diseases are caused by airborne pathogens. If asthma, bronchitis and/or nose sinus congestion is chronic or attacks occur frequently in all seasons and are not related to airborne exposure, then consider delayed pattern food allergy as the cause and do diet revision using the Alpha Nutrition Program.

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    Alpha Nutrition Program
    Aching and Fatigue
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    Alcohol Problems
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    Managing Diabetes 2
    Eating and Weight
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    Feeding Children
    Human Brain
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    Digestive Disorders
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    Heart & Arterial Disease
    Immunology Notes
    Inflammatory Arthritis
    Nutrition Notes

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