A member asked:

Could your lungs heal back a year after youo stop smoking?

A doctor has provided 1 answer

Yes: the lungs begin to clear themselves almost as soon as you quit, but the process can take many months, and even years. Risks of lung and heart disease return back to baseline after about 10 years following quitting. How well the lungs heal depends on how much damage was done. If someone has severe emphysema, it will not get worse, but might not get much better. Otherwise, healing is pretty good.

Answered 9/25/2016

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