gum disease tobacco Smoking and Diseases 7 Dental Health Concerns for

Prostaglandin E2's health benefits are lessened by nicotine because it lowers the amount of this substance in the gastric mucosa

Some countries have enacted more of the WHO recommendations than others

Psychiatry 17 , 17 (2019)

Smokeless Tobacco and Its Effect on Gum Health While smokeless tobacco products such as chewing tobacco, snuff, and dissolvable nicotine may seem less harmful than cigarettes, they still pose serious risks to gum health

However, another study failed to demonstrate the association, because of no difference in bacterial dominance from induced sputum in asthma patients between ex-smokers and non-smokers, this lack of difference may be explained by the small sample size and different samples in that study [97]