Reeeeeeeeeeeeeeeevolution!
COPD or Chronic Obstruction Of the Pulmonary is a blanket term for having 2 or more breathing conditions like both Asthma & Emphysema.
Having COPD is the mother of underlying conditions that can be exasperated by ANY illness that affects the cardio-pulminary functions.
Wait a minute…
2 oxygen bearing PLANTS in every room on Mercy ship?
hmmm.
Don't need a hospital ship…. unless [they] resist arrest so…