I do know that cigarette smoke temporarily immobilizes the cilia in your lungs, which generally do the job
of sweeping out the junk from your
lungs. I can see the shortness
of breath being due to the extra mucous being stuck in your lungs. However if this doesn't clear up say by 8 weeks, then perhaps it would be an idea to see your doctor, as there maybe an underlying lung condition. Especially if it really starts to interfere with your every day life.