Lung age is a useful concept and calculation.
James
J
Hansen
D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D012907:Smoking / Q000009:adverse effects; D000074606:Smoking Prevention; D055815:Young Adult