Can a ct scan determine lung age?
from Medscape (free login required)
Just like every other organ in our body, the lungs change with age. On the basis of a wealth of published data, we know that lung size peaks somewhere around 20 years of age. A long, steady decline follows. This decline affects exercise capacity and is accelerated by tobacco use, chronic obstructive pulmonary disease (COPD), and other environmental exposures.
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