Panelists discuss how the pathophysiology of pulmonary arterial hypertension involves complex mechanisms across multiple genetic and treatment pathways, with over 20 identified genes and four major ...

The risk of developing chronic obstructive pulmonary disease (COPD) increased in young people who smoke cigarettes more frequently, indicating smoking is an important COPD risk factor. Cigarette ...

These CT scans of airways (red) and lungs (black) show the spectrum of dysanapsis, with smaller airways in proportion to lung size (left) compared with normal size airways (middle), and larger than ...

The reason some people who have never smoked a cigarette develop a smoking-related illness may be due to the size of their respiratory system. People who have small airways relative to their lung size ...

COPD may originate from chronic bronchitis, which inflames the airways, or from emphysema, which damages the lung air sacs. Key indicators of COPD may include persistent breathing changes such as ...

COPD is a group of progressive lung diseases that includes emphysema and chronic bronchitis. Despite affecting an estimated 32 million people in the United States, as many as half are unaware they ...

Emphysema is a chronic lung condition characterised by the destruction of alveolar walls. This pathophysiology involves damage that impairs the lungs' ability to recoil: decreasing airflow and causing ...