The intervention did not lead to a significant reduction in the severity of PPCs compared with usual care, researchers reported in the PRIME-AIR trial.
Despite declines in tobacco use, adults with disabilities had higher usage rates. Differences in use across cumulative disabilities persisted or worsened, the study found.
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Bronchodilator responsiveness appears to be a risk factor for incident chronic airflow obstruction, researchers stated after a 9-year multinational study.