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This is an accepted version of this page This is the latest accepted revision, reviewed on 10 December 2024. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here ...
The health effects of long-term nicotine use is unknown. [18] It may be decades before the long-term health effects of nicotine e-cigarette aerosol inhalation is known. [19] Short-term nicotine use excites the autonomic ganglia nerves and autonomic nerves, but chronic use seems to induce negative effects on endothelial cells. [20]
Using chewing tobacco can cause various harmful effects such as dental disease, oral cancer, oesophagus cancer, and pancreas cancer, coronary heart disease, as well as negative reproductive effects including stillbirth, premature birth and low birth weight. [3] [4] Chewing tobacco poses a lower health risk than traditional combusted products. [5]
The consumption of tobacco products and its harmful effects affect both smokers and non-smokers, [9] and is a major risk factor for six of the eight leading causes of deaths in the world, including respiratory diseases, cardiovascular diseases, cerebrovascular diseases, periodontal diseases, teeth decay and loss, over 20 different types or subtypes of cancers, strokes, several debilitating ...
It differs from moist snuff or chewing tobacco in that it is made from steam-cured tobacco leaves, rather than fire-cured ones, and its health effects are markedly different, with epidemiological studies showing lower rates of cancer and other tobacco-related health problems than cigarettes, American "chewing tobacco", Indian gutka or African ...
The LD 50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5–1.0 mg/kg can be a lethal dosage for adult humans, and 0.1 mg/kg for children. [19] [20] However the widely used human LD 50 estimate of 0.5–1.0 mg/kg was questioned in a 2013 review, in light of several documented cases of humans surviving much higher doses; the 2013 review suggests that the lower limit causing fatal ...
However, older adolescents have decreased their use of smokeless tobacco products between 2008 and 2011. [4] Thus, while smokeless tobacco is used less commonly than e-cigarettes, traditional cigarettes, or cigars, the lack of decline in smokeless tobacco rates is a public health concern.
While cigarettes are the most commonly used tobacco product, all forms of tobacco use—including smokeless tobacco and e-cigarette use—can cause dependence. [3] [10] Nicotine dependence is a serious public health problem because it leads to continued tobacco use and the associated negative health effects.