• Depending on the number of cigarettes smoked, cigarette smokers are six times more likely to die from different mouth related cancers.
• Cigar smokers are twice as likely to die from mouth related diseases compared to non-smokers.
• The most common places where oral cancer forms is on the tongue, the gums, or the floor of the mouth.
• In 1996 it was estimated that approximately 700 Canadians died as a result of smoking-related lip, mouth and throat cancers.
• Using chewing tobacco also increases the risks of mouth and throat cancers.

Source and Full Article: http://bodyandhealth.canada.com/channel_section_details.asp?text_id=3257&channel_id=2022&relation_id=16630