We are providing an unedited version of this manuscript to give early access to its findings. Before final publication, the manuscript will undergo further editing. Please note there may be errors ...

There is increasing evidence that chronic obstructive pulmonary disease (COPD) is partially driven by accelerated lung aging, compared to cigarette smokers without airway obstruction or non-smokers ...

Pulmonary diffusing capacity for carbon monoxide (DLCO) is now fundamentally anchored on rapidly responding gas analysers (RGAs), and contemporary standards have effectively defined this approach as ...