<unk>  using his thumb and forefinger.<unk>  is a tobacco product that is used by means other than smoking. Their use involves chewing,<unk> ing, or placing the product between gum and the cheek or lip.<unk>  products are produced in various forms, such as chewing tobacco,<unk> , snus, and dissolvable tobacco products.<unk>  products typically contain over 3000 constituents. All<unk>  products contain nicotine and are therefore highly addictive. Quitting<unk>  use is as challenging as smoking cessation.<unk>  is much lower on the risk continuum than combusted products but varies in risk within that class of products (e.g., low nitrosamine Swedish-type snus versus other<unk>  with high nitrosamine levels). It is estimated the safety risk of<unk>  is similar to that of electronic cigarettes. There is no safe level of<unk>  use. It is correlated with a number of adverse effects such as dental disease, oral cancer, oesophagus cancer, and pancreas cancer, as well as adverse reproductive effects including<unk> illbirth, premature birth and low birth weight.<unk>  products contain cancer-causing chemicals. Approximately 28 chemical constituents present in<unk>  are carcinogenic in nature, among which nitrosamine is the most prominent.<unk>  accounts for an abundance of deaths globally with a significant proportion of them attributed to Southeast Asia.<unk>  consumption is widespread throughout the world. Once addicted to nicotine from<unk>  use, many people, particularly young people, expand their tobacco use by smoking cigarettes. Males were more likely than females to have used<unk>  in the past month.
Smokeless tobacco
Dissolvable tobacco
Heated tobacco product
Herbal smokeless tobacco
Herbal cigarette
Tobacco smoke
Cigarette
Electronic cigarette