Obstructive research is a field of study that focuses on understanding and treating conditions characterized by the obstruction or blockage of airways in the body. This primarily includes obstructive pulmonary diseases such as asthma, chronic obstructive pulmonary disease (COPD), and bronchiectasis. Research in this area typically involves investigating the underlying causes of airway obstruction, developing new diagnostic tools and treatments, and improving overall management of these conditions to enhance patient outcomes and quality of life. The goal of obstructive research is to better understand the mechanisms of airway obstruction and develop more effective strategies for prevention and treatment.