Associations of current and life-course smoking and indoor environmental exposures with lung function level in early adulthood
Background: Lung function, expressed as forced expiratory volume in 1 second (FEV1), reaches its maximum at 20–30 years of age. A lower maximal lung function has been associated with a higher risk of chronic obstructive pulmonary disease in later adulthood, but the impact of smoking and indoor environmental exposures o...