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Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
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Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
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Asthma-II: Pathophysiology and Classification01:26

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
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Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
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Related Experiment Video

Updated: Oct 7, 2025

Flow Cytometric Analysis of Particle-bound Bet v 1 Allergen in PM10
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[Environmental pollution and allergy].

Sandra Nora González-Díaz1, Cindy Elizabeth de Lira-Quezada, Rosalaura Virginia Villarreal-González

  • 1Universidad Autónoma de Nuevo León, Hospital Universitario Dr. José Eleuterio González, Monterrey, Nuevo León, México. sgonzalezdiaz@yahoo.com.

Revista Alergia Mexico (Tecamachalco, Puebla, Mexico : 1993)
|January 9, 2022
PubMed
Summary

Environmental pollution and climate change worsen allergic diseases like asthma. Reducing air pollution exposure can improve respiratory health and quality of life for affected individuals.

Keywords:
AllergyClimate changePollensPollution

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Area of Science:

  • Environmental Science
  • Allergy and Immunology
  • Public Health

Background:

  • Air pollution, climate change, and biodiversity loss pose significant threats to human health.
  • Allergic diseases, including asthma and rhinoconjunctivitis, have increased, affecting up to 40% of the global population.
  • Environmental pollution is a key factor in the development and exacerbation of allergic conditions.

Purpose of the Study:

  • To examine the impact of environmental factors on allergic diseases.
  • To highlight the role of air pollution and climate change in respiratory health.
  • To emphasize the need for improved air quality to mitigate allergic disease burden.

Main Methods:

  • Review of existing literature on air pollution, climate change, and allergic diseases.
  • Analysis of the relationship between environmental exposures and respiratory conditions.
  • Assessment of the impact of oxidative stress and allergen exposure on airway inflammation.

Main Results:

  • Air pollution contributes to significant morbidity and mortality in inflammatory airway diseases.
  • Climate change alters allergen exposure and exacerbates respiratory conditions.
  • Reduced exposure to air pollutants is linked to improved respiratory health outcomes.

Conclusions:

  • Environmental pollution and climate change are major drivers of allergic diseases.
  • Interventions to improve air quality are crucial for public health.
  • Addressing environmental factors is essential for managing and preventing lifelong allergic conditions.