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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 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: 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.

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Asthma-IV: Diagnostic and Management

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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:
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Related Experiment Video

Updated: Jul 13, 2026

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke

Published on: February 12, 2015

Smoking in young people with asthma.

A Hublet¹, D De Bacquer, W Boyce

¹Department of Public Health, Ghent University, 9000 Ghent, Belgium. anne.hublet@ugent.be

Journal of Public Health (Oxford, England)

|August 7, 2007

Summary

Adolescents with asthma are more likely to smoke daily than those without asthma. Risk factors for smoking are similar in both groups, but asthmatics are more susceptible to them.

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Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Published on: October 22, 2020

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Last Updated: Jul 13, 2026

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke

Published on: February 12, 2015

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System

Published on: October 22, 2020

Area of Science:

Adolescent Health
Respiratory Medicine
Public Health

Background:

Asthma management guidelines strongly advise against smoking.
Prevalence of smoking among adolescents with asthma is not well understood.
This study investigates smoking behaviors in adolescents with and without asthma.

Purpose of the Study:

Compare daily smoking prevalence in 15-year-olds with and without asthma.
Evaluate the role of risk factors in smoking behavior for both groups.

Main Methods:

Utilized data from the 2001-2002 international Health Behaviour in School-aged Children (HBSC) study.
Included questions on health behavior, resources, and asthma in six countries.
Compared smoking prevalence and risk factor associations between asthmatic and non-asthmatic adolescents.

Main Results:

Adolescents with diagnosed asthma showed a higher likelihood of daily smoking.
Similar risk factors (drunkenness, cannabis use, low life satisfaction, peer/parental smoking) were associated with daily smoking in both groups.
Adolescents with asthma were more prone to exhibit these risk factors.

Conclusions:

Smoking among adolescents with asthma presents a significant public health concern.
Smoking prevention programs should specifically target adolescents with asthma.
Healthcare providers should enhance efforts to motivate asthmatic adolescents to avoid smoking.