Do Oral Smokeless Tobacco Products Cause Mouth Cancer?

Source from:  Vapingpost 12/02/2020

Rodu starts his article by admitting tht risk is a complicated concept, as one has to take into account countless variables and understand all the information contained in a risk estimate. “It starts with an incidence rate, which is the number of new cases of a disease that is seen in a population over a specified period of time. The Surveillance Epidemiology and End Results (SEER) program at the National Cancer Institute has collected information on incidence since 1973.”

The THR expert added that the compiled SEER data reported about 34 cases of oral/throat cancer annually among 100,000 men aged between 40 to 84 years from 2001 to 2006. The professor pointed put that this an overall rate, which was divided as follows:

men who have not been exposed to known causes of oral cancer,
current smokers,
former smokers
alcohol abusers.

The Seer data indicated that men not exposed to causes of oral cancers made up about 45% of the population, and they had the baseline rate of oral/throat cancer (the relative risk, RR = 1.0). Within current smokers, about 25% of the sample had an RR for oral/throat cancer of eleven, when compared with non smokers.

Former smokers, also at 25% of the population, had an RR of 3.4, while alcohol abusers comprised the remaining 5% and had an RR of 4.0.