Emphysema

don't smoke anyway ..

This is the situation of the lungs of a smoker

Pulmonary emphysema is if alveolus of lungs are
enlarged and damaged, which reduces the surface
area for the excharge of oxygen and carbon
dioxide. Severe emphysema causes breathlessness,
which is made worse by infections. There is no
speci...fic treatment and patient may become
depend on oxygen.It is known to be particularly
common in men in Britain and is associated with
chronic bronchitis, smoking, and advancing age.

that smoking doesn't instantly kill,
doesn't mean that it shouldn't be taking
seriously as a self harm .