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Real members of MyCOPDTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
September 29, 2025
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Even though you quit smoking 21 years ago, smoking history remains the most common cause of COPD, with about 90% of COPD cases linked to current or past smoking. The damage to lungs from smoking can continue to affect breathing even years after quitting.

While quitting smoking was an excellent decision that likely helped Show Full Answer

Even though you quit smoking 21 years ago, smoking history remains the most common cause of COPD, with about 90% of COPD cases linked to current or past smoking. The damage to lungs from smoking can continue to affect breathing even years after quitting.

While quitting smoking was an excellent decision that likely helped slow the progression of your condition, the effects from previous smoking can still manifest later in life. It would be helpful to schedule a follow-up appointment with your doctor to specifically discuss:
• What type of COPD you have (emphysema, chronic bronchitis, or both)
• Your current lung function test results
• What treatments might be most appropriate for your specific situation
• Any lifestyle modifications that could help manage your symptoms

This will help you better understand your condition and create an effective management plan.

September 29, 2025

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