effects of tobacco on oral cavity cancer risk — Smoking is one the main causes of mouth cancer, significantly increasing risk. • Gum disease — Smokers produce more bacterial plaque and have reduced oxygen in Harmful effect of smoking -
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![Fig. 6.1.1, [The MPOWER measures, established by WHO to help reduce demand for tobacco.]. - World Cancer Report](https://www.ncbi.nlm.nih.gov/books/NBK606526/bin/978-92-832-0448-0-C-F6.1.1.jpg)















