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Related Concept Videos

Asthma-I: Introduction01:29

Asthma-I: Introduction

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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 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-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

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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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Obesity01:24

Obesity

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Asthma-III: Symptoms and Complications01:24

Asthma-III: Symptoms and Complications

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Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
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Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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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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Related Experiment Video

Updated: May 5, 2026

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
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Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

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Obesity and asthma.

Peter G Gibson1

  • 11 Centre for Asthma and Respiratory Diseases, University of Newcastle, New South Wales, Australia; and.

Annals of the American Thoracic Society
|December 10, 2013
PubMed
Summary
This summary is machine-generated.

Obesity is linked to a global asthma epidemic, causing poor asthma control and reduced treatment effectiveness. Weight management strategies are crucial for managing obesity-related asthma and improving patient outcomes.

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Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
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Multidisciplinary Approach to Obesity Management: A Case Report
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Area of Science:

  • Pulmonology
  • Metabolic Diseases
  • Epidemiology

Background:

  • A global epidemic of asthma and obesity exists, particularly in developed nations.
  • Obesity precedes asthma onset in some individuals, and bariatric surgery can resolve asthma, suggesting a causal link.
  • The obese asthma phenotype is characterized by poor control and limited response to corticosteroids.

Purpose of the Study:

  • To explore the relationship between obesity and asthma.
  • To discuss the implications of obesity for asthma treatment and management.
  • To highlight the need for weight-control strategies in addressing obesity-related asthma.

Main Methods:

  • Observational analysis of the obese asthma phenotype.
  • Review of physiological effects of obesity on lung function.
  • Discussion of current asthma treatment guidelines in the context of obesity.

Main Results:

  • Obesity exacerbates physiological effects on lung function, including reduced expiratory reserve volume and airway closure.
  • Standard asthma guidelines recommending increased corticosteroids may lead to overtreatment in obese individuals.
  • Enhanced bronchodilation, particularly for small airways, may benefit obese asthma patients.

Conclusions:

  • Obesity significantly impacts asthma control and treatment efficacy.
  • Current treatment approaches may require modification for obese asthma patients.
  • Societal and individual weight-control strategies are essential to combat the rise of obesity-related asthma.