A member asked:

I quiet smoking for a long time why am i just coughing up black stuff?

3 doctors weighed in across 2 answers

Time : Takes time to clear tar and toxic stuff from lungs

Answered 5/10/2015

2.8k views

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Dr. Alvin Lin answered

Cleaning up lungs: Smoke tends to shut down ciliary function. Those are little hairs in lungs that sweep out junk. So if you smoke for a long time, there's a tremendous amount of stuff building up in there that needs to come out. That's why smokers often report more coughing after they quit - that's their cilia returning to life & cleaning house. Obviously more complicated than that but hopefully makes sense.

Answered 5/10/2015

2.8k views

Thank

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