why is smokeless tobacco addictive people addicted to can develop Nicotine Addiction: Signs, Causes, Diagnosis, Treatment, and Prevention Commonly Used Drugs - Tobacco/Nicotine
Description
Not only are they gross, theyre also a potential fire hazard

You might be surprised to learn that only a small number of nicotine gum users meet the standard of physical addiction

Oral submucous brosis OSF is a chronic, insidious disease that affects the submucosa of the oral cavity resulting in progressive limitation of mouth opening which is a hallmark feature of this disease18
doi: 10.1093/humrep/17.6.1554
