I was super concerned about getting cancer since I chew tobacco. For a time it was obsessive with me. Then I read a study done that indicated no increased risk from chew tobacco. Smoking is of course dangerous as is eating smoked meat. So I'm a little less worried now. I would discourage people from starting a chew tobacco habit as it limits your freedoms and is addictive, expensive and may cause cancer:
Oral cancer in a tobacco-chewing US population--no apparent increased incidence or mortality - PubMed
Results: The average annual incidence rates (per 100,000 population) for oral/pharyngeal cancer in West Virginia males and females were 13.4 and 5.1, respectively; these compared with rates of 15.4 and 5.7 for the US. The average annual mortality rates (per 100,000 population) for the disease in West Virginia males and females were 4.2 and 1.6, respectively; these compared with 4.4 and 1.5 for the US. West Virginia oral/pharyngeal mortality rates for both genders were statistically significantly lower than US rates throughout the years 1950 through 1980. Among other potential oral cancer etiologic factors, the very low prevalence of alcohol abuse in West Virginia seemed to be relevant.
Conclusions: The hypothesis was not confirmed by data analysis. West Virginia is the state with the highest per capita consumption of smokeless tobacco, yet it has less oral/pharyngeal cancer than the US average. The authors strongly urge additional and improved epidemiologic evaluation of the oral cancer risk of smokeless tobacco use in US males.
Oral cancer in a tobacco-chewing US population--no apparent increased incidence or mortality - PubMed
Results: The average annual incidence rates (per 100,000 population) for oral/pharyngeal cancer in West Virginia males and females were 13.4 and 5.1, respectively; these compared with rates of 15.4 and 5.7 for the US. The average annual mortality rates (per 100,000 population) for the disease in West Virginia males and females were 4.2 and 1.6, respectively; these compared with 4.4 and 1.5 for the US. West Virginia oral/pharyngeal mortality rates for both genders were statistically significantly lower than US rates throughout the years 1950 through 1980. Among other potential oral cancer etiologic factors, the very low prevalence of alcohol abuse in West Virginia seemed to be relevant.
Conclusions: The hypothesis was not confirmed by data analysis. West Virginia is the state with the highest per capita consumption of smokeless tobacco, yet it has less oral/pharyngeal cancer than the US average. The authors strongly urge additional and improved epidemiologic evaluation of the oral cancer risk of smokeless tobacco use in US males.
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