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A member asked:
What happens if you've quit smoking at 25 years old. about how long will your lungs take to get back to where they were?
A doctor has provided 1 answer
Maybe 5-8 years: It is hard to find research on that particular issue, but there are tests that a Pulmonary Specialist can perform (FEV1, lung capacity, arterial blood gases), that could check how good your lungs currently are. For long time smokers, 10-15 years to reduce risk of lung cancer to normal population.
Answered 1/25/2016
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