what causes direct damage to the lungs?
breathing oxygen influenza parasites cigars germs steroids respiring
A B C D E F G H
Cigar smoking is on the rise.
cigars cause direct damage to the lungs
what causes direct damage to the lungs? (A) breathing (B) oxygen (C) influenza (D) parasites (E) cigars (F) germs (G) steroids (H) respiring