How many years of smoking damages the lungs?

The amount of time it takes for smoking to damage the lungs can vary from person to person. Some people may experience damage after only a few years of smoking, while others may not see any significant damage for decades.

On average, it takes about 15 to 20 years of smoking to cause noticeable damage to the lungs. However, the damage can start much earlier. In fact, studies have shown that even just a few years of smoking can lead to changes in the structure and function of the lungs.

Some of the early changes that can occur in the lungs of smokers include:

* Increased mucus production

* Inflammation

* Thickening of the airway walls

* Reduced lung function

Over time, these changes can lead to more serious problems, such as:

* Chronic bronchitis

* Emphysema

* Lung cancer

The good news is that the damage caused by smoking is reversible. If you quit smoking, your lungs can begin to heal and your risk of developing smoking-related diseases will decrease.

The sooner you quit smoking, the better off your lungs will be.