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The potential effects of smoking, such as lung cancer, can take up to 20 years to manifest themselves. Historically, women began smoking en masse later than men, so an increased death rate caused by smoking amongst women did not appear until later. The male lung cancer death rate decreased in 1975—roughly 20 years after the initial decline in ...
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 ...
Chewing tobacco. Though chewing tobacco isn’t smoked, it contains nicotine and carcinogens, which can still have long-term health impacts, including oral cancers and heart disease ...
One of the most well known diseases caused by smoking is lung cancer. A few carcinogens commonly found in tar include benzene, acrylamide and acrylonitrile. Smoking exposes delicate cells inside the lungs directly to these compounds. This causes mutations in the DNA of the cells, which leads to cancer.
They can also be consumed as snuff, chewing tobacco, dipping tobacco, and snus. Tobacco contains the highly addictive stimulant alkaloid nicotine as well as harmala alkaloids. [1] Tobacco use is a cause or risk factor for many deadly diseases, especially those affecting the heart, liver, and lungs [2] as well as many cancers.
Tobacco smoke, besides being an irritant and significant indoor air pollutant, is known to cause lung cancer, heart disease, chronic obstructive pulmonary disease (COPD), emphysema, and other serious diseases in smokers (and in non-smokers as well). The actual mechanisms by which smoking can cause so many diseases remain largely unknown.
Smoking cessation is one the most effective methods for managing numerous smoke-related diseases and other immune diseases such as AIDs. [ 25 ] [ 26 ] It brings both short term and long term benefits as the mucus clearance is improved in 48 hours and the mortality risk of lung cancer is halved in 10 years. [ 25 ]