Does lungs regenerate after a person quits smoking?

Question

if not- whats the best reason to stop?

Answer 1

YES. Lungs do have the ability to "heal" after a person quits smoking. A handout that I received in school states the following: 2 weeks to 3 months later lung function can improve by 30%, 1 to 9 months after quitting the cilia(small hairs that help flitration) regrow in the lungs. 1 year after quitting the excess risk of coronary heart disease is half that of a smoker. 5 years after quitting lung cancer death rate of former smokers decreases by half, stroke risk is reduced to that of a non smoker 5 to 15 years after quitting. 10 years after quitting lung cancer death rate is that of a non smoker. 15 years after quitting the risk of coronary heart disease is that of a non smoker. So there is hope for those of you that currently smoke. However, you need to quit now. You want to start that count to 15 years where your risks of lung cancer, stroke and coronary heart disease is that of a non smoker.

Answer 2

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Answer 3

Do Lungs Regenerate

Answer 4

For those that say lungs improve in the first 90 days or so

Here is some data:

I had a PFT (Pulmanory Function Test) done about 30 days after I quit. My FEV1 was 35%. One year later w/o smoking my FEV1 is still only 35% or 0% improvement


I have a friend that quit 20 years ago, now has lung cancer


I quit a 5 pack a day habit, after smoking 55 + years; 23 months ago

Answer 5

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Answer 6

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First off- congratulations! I also quit smoking a few months back, and I'm already feeling the positive effects. According to everything I've read, the cilia in your lungs start to regenerate between the third and ninth months after you've stopped. All in all, it takes approximately 10 years for your body to return to normal, but I'm sure you feel quite a lot better already.

Answer 7

Lungs absolutely do regenerate after a person stops smoking. So does your cardiovascular system.

My dad got lung cancer at age 82 after quitting at age 40. He survived it and is healthy and very active again - after surgery and chemo. Survival is extremely rare - most people find out they have it too late and die within a year or so. My dad is convinced that quitting saved his life. If he hadn't quit, the cancer would have gotten him sooner in life and he would have died from it. Also, his brothers that did not quit smoking died from heart disease. He and the one other brother that quit and his two sisters that never started are alive and have healthy hearts.

Answer 8

I doubt it according to my lung DR my left lung had collasped 2 times in 2005 and there is a high chance my right lung could have the same fate and it was caused from smoking and i quit smoking nov 05 i have quit since i was in the hospital the second time it collasped and i had to have surgery on it because my lung fell off my chest cavity.

Answer 9

Yes that is correct. In your lungs there are lash/sleek-like structures (very small) that clean your lungs and rid the bacteria etc. Well when you smoke, these are killed and expose your lungs to bacteria and horrible diseases. (lung cancer) But when you quit smoking, about a month later these lashes grow back and protect your lungs.

have a great day

Answer 10

The effects of smoking start to disappear as soon as you stop and your lungs start to clear themselves. So you will get a cough. Within 3 months or so your risk of lung and throat cancers and heart disease is about that of a non smoker.