Fifty-one girls with lung cancer as well as 163 other hospital patients were interviewed about their smoking habits that spitting husbands. Forty cases of lung cancer and 149 other patients were non-smokers. Among other non-smoking women, there was a statistically important difference between the majority of cancer cases and opposite patients in the segment of their husbands' smoking habits. Estimates of the relative risk of lung cancer related to the presence of a smoking husband were 2.Four for a smoker who smokes less than one pack, and several for beautiful ladies whose husbands smoked a couple of packs of packs a day. The limitations of information are being studied; as you can see, a qualitative investigation of these tasks will be needed.