First, it causes several chronic respiratory ailments, including chronic bronchitis, emphysema and lung fibrosis, and is associated with an increase in respiratory infections.3 Second, it is associated with an increased incidence of a variety of cancers including lung, oral, oesophagus, pancreas and colon.4 And third, CS increases the risk of atherothrombotic clinical events such as myocardial infarction and stroke.5 The risk of death in these patients increases with increasing exposure to cigarette smoke, measured by the number of cigarettes smoked daily, the duration of smoking, the degree of inhalation and the age of initiation
It may be an inconvenience, but for your own safety it is required that a friend or family member is there with you when you are discharged
Retrieved 10 June 2013
However, former smokers who are someday e-cigarette users may be using e-cigarettes to deal with nicotine cravings and prevent relapse to smoking or may be looking to transition out of nicotine use entirely