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Related Concept Videos

Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
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Stress Prevention and Stress Management Techniques IV

Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
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Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

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Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
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Related Experiment Video

Updated: Jun 28, 2026

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke
09:50

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

Published on: February 12, 2015

Business policies affecting secondhand smoke exposure.

Siobhan E Colgan1, Bron Skinner, Caroline Mage

  • 1School of Education, University of North Carolina at Chapel Hill, USA. scolgan@email.unc.edu

North Carolina Medical Journal
|November 15, 2008
PubMed
Summary
This summary is machine-generated.

Many businesses lack comprehensive smoke-free policies, despite owner support for restrictions. Addressing economic fears is key to expanding smoke-free environments and protecting public health from secondhand smoke.

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Published on: May 24, 2017

Area of Science:

  • Public Health
  • Environmental Health
  • Health Policy

Background:

  • Significant gaps persist in protecting the public from secondhand smoke exposure in various public venues.
  • Voluntary policy changes have not fully addressed the issue of secondhand smoke in workplaces and recreational areas.

Purpose of the Study:

  • To assess current smoking policies in North Carolina businesses.
  • To evaluate business owners' and managers' attitudes towards smoke-free policies.
  • To gauge support for policy changes regarding smoking in public businesses.

Main Methods:

  • Phone interviews were conducted with owners and managers of various businesses in North Carolina.
  • Included were airports, arcades, malls, bowling alleys, arenas, grocery stores, and convenience stores.
  • A random sample of grocery and convenience stores was included in the study.

Main Results:

  • 53% of businesses reported 100% smoke-free policies, with significant variation by venue type (12% bowling alleys to 97% arenas).
  • A majority of business leaders recognized secondhand smoke health risks (82%-89%) and supported smoking restrictions (84%-91%).
  • Key barriers to voluntary policy adoption included lack of legal mandates (39%) and concerns about business revenue loss (53%).

Conclusions:

  • Self-reported data may have limitations regarding policy accuracy and social desirability bias.
  • Achieving widespread 100% smoke-free indoor environments likely requires legislative mandates.
  • Advocacy for smoke-free policies should incorporate strategies to address businesses' economic concerns.