The alveolar macrophage is important in the defense of the lung and may be the pathogenesis of lung disease. Cell counts in bronchoalveolar lavage fluid have lead to the conclusion that smokers have an increased number of alveolar macrophages but have not enabled the number to be related to a measure of lung structure. The alveolar macrophage is important in the defense of the lung and may be the pathogenesis of lung disease. Cell counts in bronchoalveolar lavage fluid have lead to the conclusion that smokers have an increased number of alveolar macrophages but have not enabled the number to be related to a measure of lung structure.
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It depends on what considers a smoker. Do they smoke daily, once a week, once a month? How long have they been smoking for? As for the nonsmoker, are they healthy? Are they fit? A person who smokes once a week and works out may be more fit than someone who is ill and sedentary. However, on average, if you were to take two keep in exact same conditions, the smoker would definitely be losing capacity in the lungs. The person with the most lung capacity would be a fit healthy nonsmoker. Cardio activity such as running, increases lung capacity.
Generally, a smoker will have a diminished lung capacity. However, everyone is different.
I don't believe so as lots of old people can breath just as well. But their muscles are worse and so is their memory.
Yes, smokers have a smaller lung capacity than non smokers because the smoke shrinks the airway passage in the lungs and irritates the alveoli.