Category: lung function

Cigarette Smoking and Lung Obstruction Among Adults Aged 40–79: United States, 2007–2012

Lung obstruction is characterized by blocked airflow, shortness of breath, and difficulty exhaling. The most common obstructive lung diseases are asthma and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis. Approximately 15% of U.S. adults aged 40–79 have lung obstruction, with about one-third of those having moderate or worse obstruction. Smoking tobacco Read More >