3 ms·
From GP's linked comment: "9. Lung clearance is a standard means to treat serious lung conditions and keep airways open. A simple means to do this is stand in
by ctack 7y ago
From GP's linked comment:
"9. Lung clearance is a standard means to treat serious lung conditions and keep airways open. A simple means to do this is stand in the shower with your feet about shoulder width apart, bend over as far as you can and cough hard."