(E) Box plots representing alpha-diversity of samples from tumour site, contralateral healthy site and dental sites in OSCC (n=102) patients based on Shannon, Simpson and Chao indexes
they were then followed for another 12 weeks post-treatment
Disruption of this delicate microbial balance by cigarette smoke leads to persistent immune activation, epithelial injury, and heightened susceptibility to infection and chronic airway disease
Understanding Chewing Tobacco There are many types of chewing tobacco packs, loose leaves, plugs, and twists
Tobacco smoke increases the risk of lung cancer and heart disease, even in nonsmokers
The Helpline is here for Oklahomans who are trying to quit using smokeless tobacco or those who want to support their loved ones through the quitting process. Smokeless tobacco is even more habit forming than cigarettes because it contains up to four times as much addictive nicotine than found in cigarettes