The report 'Smokeless Tobacco and Public Health: A Global Perspective' has claimed that majority of smokeless tobacco users (89 percent) are in Southeast Asia, which also has the highest oral cancer rates in the world.
As many as 32 leading experts from around the world contributed to the report, which was released today by the Centers for Disease Control and Prevention and the National Cancer Institute.
"Users in India and Bangladesh make up 80 percent of total smokeless tobacco users in the world. Prevalence among men is high across most of the region, varying between 25 per cent and 51 per cent in five countries," the report said.
The report says that there is sufficient evidence to conclude that smokeless tobacco causes oral cancer, esophageal cancer and pancreatic cancer in humans.
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"More than 30 carcinogens have been identified in smokeless tobacco products. Smokeless tobacco use also causes adverse oral health outcomes including oral mucosal lesions, leukoplakia, and periodontal disease.
"Additionally, smokeless tobacco products contain nicotine, and users of these products demonstrate signs of dependence including symptoms of withdrawal upon cessation of use," the report said.