Low cholesterol doesn't make smoking safer.
D001161:Arteriosclerosis / Q000097:blood* / Q000453:epidemiology; D002318:Cardiovascular Diseases / Q000097:blood / Q000453:epidemiology; D002784:Cholesterol / Q000097:blood*; D006801:Humans; D007723:Korea / Q000453:epidemiology; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects* / Q000097:blood / Q000453:epidemiology
D002784:Cholesterol