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Related Concept Videos

Asthma I: Introduction01:28

Asthma I: Introduction

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Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
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Asthma-I: Introduction01:29

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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-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.
Critical processes in asthma pathophysiology include:
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Asthma: Pathogenesis and Management01:20

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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.
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Allergic Reactions02:06

Allergic Reactions

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Overview
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Allergic Reactions: Anaphylaxis01:30

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Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin,...
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Related Experiment Video

Updated: Apr 23, 2026

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
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Atopy and cause-specific mortality.

T Skaaby1, L L N Husemoen, B H Thuesen

  • 1Research Centre for Prevention and Health, Glostrup University Hospital, Glostrup, Denmark.

Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology
|September 16, 2014
PubMed
Summary
This summary is machine-generated.

Atopy, a tendency to develop allergies, was not linked to overall mortality in a large Danish study. However, individuals with atopy showed increased risks for death from mental disorders and digestive diseases.

Keywords:
atopybreast cancercause-specific mortalitygastrointestinal diseaseliver diseasemental and behavioural disordersserum-specific IgE

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Area of Science:

  • Epidemiology
  • Immunology
  • Public Health

Background:

  • Atopy, characterized by elevated immunoglobulin E (IgE) antibodies, is a predisposition to allergic diseases.
  • Emerging evidence suggests potential links between atopy and risks for cardiovascular disease and cancer.

Purpose of the Study:

  • To investigate the association between atopy and all-cause mortality.
  • To examine the relationship between atopy and cause-specific mortality.

Main Methods:

  • Utilized data from five Danish population-based cohorts, including 14,849 individuals.
  • Defined atopy by serum-specific IgE positivity against inhalant allergens.
  • Followed participants via the Danish Registry of Causes of Death for mortality data, analyzing risks using Cox regression.

Main Results:

  • No statistically significant association was found between atopy and all-cause mortality (HR=1.03).
  • Atopy was associated with a higher risk of mortality from mental and behavioural disorders (HR=2.26) and digestive system diseases (HR=1.75).
  • A lower, non-significant risk of mortality from neoplasms, specifically breast cancer, was observed in atopics.

Conclusions:

  • No significant link between atopy and overall mortality.
  • Atopy may be associated with increased mortality risk from mental disorders and gastrointestinal diseases.
  • Further research is warranted to validate these findings and explore underlying mechanisms.