This September is Pulmonary Fibrosis Awareness Month, which the Pulmonary Fibrosis Foundation (PFF) and allies have launched to educate the public about the disease family. Involving scarring of the lungs, pulmonary fibrosis gradually robs the breath from patients it affects.  Some 250,000 Americans live with idiopathic pulmonary fibrosis, according to PFF.   At present, two drugs…