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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 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: 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-IV: Diagnostic and Management

Asthma-IV: Diagnostic and Management

The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:

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: 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,...

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Updated: Jun 20, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Diet and asthma.

Stacy Raviv¹, Lewis J Smith

¹Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA.

Current Opinion in Pulmonary Medicine

|September 10, 2009

Summary

This summary is machine-generated.

Dietary interventions show limited success in modifying asthma. While some nutrients show potential, current evidence from clinical trials is unconvincing for asthma management.

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Last Updated: Jun 20, 2026

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:

Nutrition Science
Pulmonology
Epidemiology

Background:

Asthma is a chronic respiratory disease influenced by various factors.
Dietary patterns and specific nutrients are being investigated for their role in asthma.
Understanding diet's impact can inform new therapeutic strategies.

Purpose of the Study:

To review recent literature on diet as a disease modifier in asthma.
To evaluate the evidence supporting dietary interventions for asthma management.
To assess the clinical relevance of current research findings.

Main Methods:

Systematic review of in vitro, animal, and epidemiologic studies.
Analysis of interventional studies investigating dietary modifications in asthma.
Evaluation of data for clinical recommendations and decision-making.

Main Results:

Several nutrients, including n-3 fatty acids, soy isoflavones, vitamin D, and antioxidants, are suggested to modify asthma severity.
However, many studies suffer from small sample sizes, negative results, or questionable clinical significance.
Existing evidence for dietary manipulation in asthma therapy remains largely unconvincing.

Conclusions:

Mechanistic and epidemiologic data provide a rationale for diet-based asthma therapies.
There is a lack of robust interventional studies with clinically relevant positive endpoints.
Future research requires larger, well-selected patient cohorts to assess effects on exacerbations, symptoms, lung function, and medication use.