Respiratory Inflammation

Respiratory tract inflammation is a key pathological feature of respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD), characterized by immune cell infiltration and activation—including eosinophils, mast cells, neutrophils, and lymphocytes—leading to airway hyperresponsiveness, airflow limitation, epithelial damage, bronchoconstriction, and increased airway sensitivity, often triggered by infections or environmental stimuli, with potential systemic effects contributing to comorbidities.

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