original_query: What is the role of beta2-adrenergic agonists in the treatment of asthma and COPD?
query: What is the role of beta2-adrenergic agonists in the treatment of asthma and COPD?
answer: Beta2-agonists are used to treat both asthma and COPD.  In asthma, they relieve bronchospasm caused by airway inflammation and constriction. In COPD, they address airflow limitations resulting from inflammation.