The high concentration of smoke in a small area substantially increases the exposure of other passengers. The average smokeless tobacco user first tries it at 10 years of age and advances to regular use by 13 years of age. As cigarette consumption decreases, the use of snuff tobacco products increases. The average 'quid' of smokeless tobacco contains nicotine equivalent to 2 cigarettes, so it can be more addictive than smoking cigarettes. Smokeless tobacco users have a 50-fold increase in the risk of oral cancer.
Smokeless tobacco causes gingivitis and gum recession, stains teeth and promotes tooth decay.
Dental problems often bring ST use to the attention of parents. Nicotine raises blood pressure, constricts vessels and raises heart rates. Lastly, ST causes bad breath and is viewed by many as socially unacceptable. Cigar Smoking and Women Cigars are enjoying a resurgence in popularity, especially among women. Some women think cigar smoking carries fewer risks than cigarette smoking.