chewing tobacco dry mouth Mouth: Symptoms, Treatment, Causes Oral health consequences of smokeless

producers of cigarettes, Philip Morris, back in the 60s to 2010 when this timeline is showing here

Drinking water may offset excessive thirst

However, another study of mice exposure to IQOS emissions for 6 h/day for seven days did not find evidence of oxidative stress, measured by ROS, but found increased several proinflammatory mediators, including IL-1 and IL-6

When cigarette use is present even if described as occasional, just social, or a few here and there most carriers cannot make this distinction cleanly and will apply the more conservative tobacco classification to protect against the higher-risk scenario