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2. Lung nodule - Wikipedia

   en.wikipedia.org/wiki/Lung_nodule

   A lung nodule or pulmonary nodule is a relatively small focal density in the lung. A solitary pulmonary nodule (SPN) or coin lesion, [1] is a mass in the lung smaller than three centimeters in diameter. A pulmonary micronodule has a diameter of less than three millimetres. [2] There may also be multiple nodules. One or more lung nodules can be ...

3. Respiratory bronchiolitis - Wikipedia

   en.wikipedia.org/wiki/Respiratory_bronchiolitis

   When associated with disease, it is known as "Respiratory bronchiolitis-associated interstitial lung disease" or "RB-ILD". [4] Also, this disease is predominantly found in the upper lobe with centrilobar ground glass nodules. Importantly, no fibrosis is involved, just bronchial wall thickening. Treatment is to stop smoking.

4. Smoker's macrophages - Wikipedia

   en.wikipedia.org/wiki/Smoker's_macrophages

   Iron imbalance locally in the lung thus results in higher risk of infection. Hemosiderin is the iron storage in smoker's macrophage rather than ferritin. It is formed during hemorrhage or abnormal metabolism of ferritin. [14] [15] Indeed, buildup of iron causes oxidative stress resulting in lung damage and mitochondrial dysfunction. [13]

5. Health effects of tobacco - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_tobacco

   Smoking most commonly leads to diseases affecting the heart and lungs and will commonly affect areas such as hands or feet. First signs of smoking-related health issues often show up as numbness in the extremities, with smoking being a major risk factor for heart attacks, chronic obstructive pulmonary disease (COPD), emphysema, and cancer, particularly lung cancer, cancers of the larynx and ...

6. Lung cancer - Wikipedia

   en.wikipedia.org/wiki/Lung_cancer

   The smoking of non-tobacco products is not known to be associated with lung cancer development. Marijuana smoking does not seem to independently cause lung cancer – despite the relatively high levels of tar and known carcinogens in marijuana smoke. The relationship between smoking cocaine and developing lung cancer has not been studied as of ...

7. Tobacco smoke - Wikipedia

   en.wikipedia.org/wiki/Tobacco_smoke

   Tobacco smoke, besides being an irritant and significant indoor air pollutant, is known to cause lung cancer, heart disease, chronic obstructive pulmonary disease (COPD), emphysema, and other serious diseases in smokers (and in non-smokers as well). The actual mechanisms by which smoking can cause so many diseases remain largely unknown.