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Asthma I: Introduction

Asthma I: Introduction

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...

Asthma-I: Introduction

Asthma-I: Introduction

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...

Asthma: Pathogenesis and Management

Asthma: Pathogenesis and Management

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.

Asthma III: Clinical Manifestations

Asthma III: Clinical Manifestations

Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...

Asthma-II: Pathophysiology and Classification

Asthma-II: Pathophysiology and Classification

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:

Asthma-III: Symptoms and Complications

Asthma-III: Symptoms and Complications

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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A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

Vitamin D and asthma.

Sheena D Brown, H Hardie Calvert, Anne M Fitzpatrick

Dermato-Endocrinology

|August 29, 2012

Summary

This summary is machine-generated.

Vitamin D may play a role in managing asthma, a chronic respiratory condition. Research suggests a link between vitamin D levels and respiratory symptoms, potentially through immune system modulation.

Keywords:

asthma asthma prevalence children inflammation vitamin D

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Area of Science:

Pulmonary Medicine
Immunology
Nutritional Science

Background:

Asthma is a widespread chronic respiratory disease marked by airway inflammation and hyperresponsiveness.
Increasing asthma prevalence may be linked to urban lifestyle changes and environmental factors.
Vitamin D deficiency is associated with factors like reduced sun exposure, obesity, and poor diet, which are also linked to asthma.

Purpose of the Study:

To review the relationship between vitamin D status and asthma across all age groups.
To explore the potential immunomodulatory effects of vitamin D in asthma.

Main Methods:

Review of existing human studies on vitamin D and asthma.
Analysis of literature connecting vitamin D levels to respiratory symptoms and asthma prevalence.

Main Results:

Growing evidence suggests a correlation between vitamin D status and respiratory symptoms.
Vitamin D's immunomodulatory properties are hypothesized to influence asthma development and severity.

Conclusions:

Vitamin D status is a significant factor to consider in asthma management and research.
Further investigation into vitamin D's role in asthma across different age groups is warranted.