ôbjective: ït is well known that tobacco smoking is a major preventable cause of morbidity and mortality. üse of smokeless tobacco such as paan, nass, gutka, and tumbaku is common in south and southeast âsia but not in ïran, where it is not considered as a normal cultural habit. methods: â cross-sectional study was carried out in five colleges of sistan baloochestan, the southeastern province o...

Oral cancer is a highly lethal disease and one of the most debilitating and disfiguring of all malignancies in the world. According to Global Adult Tobacco Survey (GATS) 2010 report, 60% of tobacco users in India use only smokeless tobacco. Among 206 million smokeless tobacco users, 65.1 million are consuming gutkha. In recent years, gutkha is recognized as a life threatening disorder with the ...

background: india has a high burden of tobacco usage and its related morbidity and mortality. almost 30% of the indian population above 15 years of age use some form of tobacco. men usually use smoked tobacco, while women are more likely to use smokeless (chewed) tobacco. tobacco usage has been identified as a risk factor for non-communicable diseases (ncds) among slum dwellers in urban cities....

Persons who use chewing tobacco and snuff experience an increased risk of oral cancer. Because of the pharmacologic properties of nicotine and other constituents of smokeless tobacco, there is also concern that smokeless tobacco products may lead to cardiovascular diseases as well. The relatively few human population studies to date conflict with respect to whether smokeless tobacco use elevate...

OBJECTIVES To assess the prevalence and correlates of use of conventional and novel smokeless tobacco products among a national sample of US middle and high school students. METHODS Data from the 2011 National Youth Tobacco Survey were analyzed to determine national estimates of current use of conventional ("chewing tobacco", "snuff," or "dip"), novel ("snus" and "dissolvable tobacco products...

This article discusses the evolution of smokeless tobacco in the United States and interprets the available data on cardiovascular risk factors and cardiovascular mortality associated with its use. There has been a resurgence of smokeless tobacco use since 1970. Smokeless tobacco consistently produces levels of nicotine higher than those seen with smoking and causes similar sympathetic neural s...

Smokeless tobacco products sold in the United States vary significantly in yields of nicotine and tobacco-specific nitrosamines (TSNA). With the passage of the Family Smoking Prevention and Tobacco Control Act, the Food and Drug Administration now has the authority to establish product standards. However, limited data exist determining the relative roles of pattern of smokeless tobacco use vers...

BACKGROUND Swedish male smokers are more likely than female smokers to switch to smokeless tobacco (snus) and males' smoking cessation rate is higher than that of females. These results have fuelled international debate over promoting smokeless tobacco for harm reduction. This study examines whether similar results emerge in the United States, one of few other western countries where smokeless ...

The purpose of this study was to characterize the relation between smokeless tobacco use and the risk of all-cause and disease-specific mortality. Using data from the First National Health and Nutrition Examination Survey Epidemiologic Followup Study, the authors assessed the 20-year mortality experience of smokeless tobacco users. Subjects aged 45 years or more at baseline (1971-1975) were cat...