A 32-year-old 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?
1 doctor answer
Dr. Robert Fietsam answered
34 years experience Thoracic Surgery
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 on Jan 25, 2016
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