The number of people with chronic obstructive pulmonary disease (COPD) in the U.S. hasn’t changed significantly over the past decade (2011-2021), according to data from the CDC published in Morbidity and Mortality Weekly Report. Previous studies have found an increase in COPD prevalence among specific groups, including women, older adults (aged ≥65 years), residents in rural areas, adults with a lower education level, and those who have never smoked. However, there is a lack of recent data on overall trends, particularly how COPD prevalence has changed nationally over ...