Tobacco smoke contains carcinogens like polycyclic aromatic hydrocarbons (PAHs), tobacco-specific nitrosamines (TSNAs), and heavy metals that induce DNA damage in gastric epithelial cells
Tea and energy drinks are also off-limits before a fasting blood test
Tobacco products, whether smoked or chewed, contain carcinogenic chemicals that are directly linked to cancers of the mouth, throat, and lips
J Can Dent Assoc
But research published in the Journal of the American Dental Association (JADA) shows that hookah smoking is linked with gum disease, dry socket, cancers of the head, neck and mouth and other serious conditions
A 2024 study found that quitting, even at age 65 and older, can improve life expectancy