Some of the variation in weight that is not. accounted for in Tables 1 or 2 is due to the variation. in the wood density of the different species. AdjustÂ­. ment factors have been developed to account for the. variation by species. The adjustment factors were. each species by the average density of all of the trees.
For example, regular smoking increases the risk of developing lung cancer; therefore smoking is a risk factor for lung cancer. The risk factors for mouth cancer include: 1  Smoking - studies indicate that a 40-per-day smoker has a risk five times great than a lifetime non-smoker of developing oral cancer.  Chewing tobacco.
Causes of Foaming at mouth that are very common . The following causes of Foaming at mouth are diseases or medical conditions that affect more than 10 million people in the USA: Trauma; more causes...Â» Causes of Foaming at mouth that are common The following causes of Foaming at mouth are diseases or conditions that affect more than 1 million people in the USA: Epilepsy