Many Causes: You wrongly assume that only smoking causes cancer. There are other causes, too. Follow the below link for more info. Hope all goes well with your father's treatment. http://www.cancer.org/cancer/cancercauses/.
Answered 4/27/2013
5.2k views
It is possible: Smokers are many times more likely than non-smokers and/or non-consumers of alcohol to develop these cancers.
Answered 3/14/2015
3.1k views
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