Smoking can really clog up the lungs, even for people who’ve never been near a cigarette. Turns out that smoking habits from the early 1900s are still inflictin

Smoking can really clog up the lungs, even for people who’ve never been near a cigarette. Turns out that smoking habits from the early 1900s are still inflicting damage—not on tobacco users or their families, but on people with cystic fibrosis.