Bronchodilators do little to help people without COPD but have smoking-related respiratory symptoms
Researchers supported by the National Institutes of Health have found that dual bronchodilators - long-lasting inhalers that relax the airways and make it easier to breathe - do little to help people who do not have chronic obstructive pulmonary disease (COPD), but who do have respiratory symptoms and a history of smoking.
United States Antonello Punturieri Prescottg Woodruff Meilank Han Emily Henderson Centers For Disease
Source: news-medical.net