There is a general observation that smokers tend to be more severely affected than non-smokers by the majority of inflammatory skin diseases even acne and various conditions are often more difficult to treat effectively in smokers
The ministrys bureau chief of health policy, Ryu Geun-hyeok, has been reported to say, Various similar carcinogenic substances contained in tobacco cigarettes were detected in e-cigarette vapor, so smokers must not consider them as a smoking-cessation device. Interestingly, the Korean governments stance on e-cigarettes and how they are regulated has been the subject of ire and ridicule from the public, some even going as far as accusing the government of simply trying to fatten its tax coffers by monitoring e-cigarettes under the pretense of concern for public health, but doing so by constantly citing its research in 2012 instead of new studies providing more relevant and up-to-date data.
Repeat if necessary
You'll be taking it easier on your body if you use less tobacco over a period of two weeks, leading up to the test
Mendelson JH, Sholar MB, Goletiani N, Siegel AJ, Mello NK