I04 TOBACCO AND ITS EFFECTS. 



cent answer yes, twenty-five per cent say no, sixteen per 

 cent give no answer ; (^) ninety-five per cent say yes. 



" I liave seen two cases of epithelical cancer of the 

 lips, one case of ulceration of the lips, one of ulceration of 

 the tongue, and two cases of glossitis from the use of to- 

 bacco. I know that it was the direct cause, for when its 

 use was discontinued, all the cases improved rapidly." 



" In one case, that of a lady who smoked a short pipe 

 for a long time, the tongue became swollen to an alarming 

 extent ; it was found that the pipe was the cause. I have 

 also seen cancer of the lower lip in one long accustomed 

 to the use of a pipe, the tumor requiring excision." 



" Mr. smoked freely from the age of twelve. At 



the age of sixty-five he was obliged to have a cancer re- 

 moved from the lower lip, due, in my judgment, to the 

 use of tobacco." 



" I have had a fair opportunity to notice these diseases 

 as they have from time to time appeared in one form or 

 another. I have treated several epithelical cancers which 

 I have no doubt were the direct results of the long con- 

 tinued use of tobacco, combined with the irritating effects 

 of the pipe or cigar." 



" I have had two cases of epithelical cancer, supposed 

 to have been the result of smoking, but I cannot give 

 details." 



" I have had two cases of cancer of the lip, one caused 

 by using a pipe which had been used for many years, and 

 was saturated with the empyreumatic oil." 



" I have seen one case of epithelioma of lijD, from the 

 use of an old pipe ; also a case of cancer of posterior por- 

 tion of tongue in an incessant chewer ; it proved fatal." 



" I have seen several cases of ulceration of the lips, and 



