Smoking-induced oxidative stress generates reactive oxygen species (ROS), which cause further DNA damage and promote chronic inflammation in the gastric mucosa
PMC 6921295
American Lung Association 1301 Pennsylvania Ave
"Brown Secures Agreement with American Spirit Cigarettes Maker over Alleged Misleading Marketing of Organic Tobacco Products"
A reduction in saliva encourages bacteria growth
These include: 6 A radioactive element (polonium-210) found in tobacco fertilizer Chemicals formed when tobacco is cured with heat (polynuclear aromatic hydrocarbonsalso known as polycyclic aromatic hydrocarbons) Harmful metals (arsenic, beryllium, cadmium, chromium, cobalt, lead, nickel, mercury) Smokeless tobacco causes cancer of the mouth, esophagus, and pancreas