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Smoking most commonly leads to diseases affecting the heart and lungs and will commonly affect areas such as hands or feet. First signs of smoking-related health issues often show up as numbness in the extremities, with smoking being a major risk factor for heart attacks, chronic obstructive pulmonary disease (COPD), emphysema, and cancer, particularly lung cancer, cancers of the larynx and ...
Tobacco smoke, for example, causes 90% of lung cancer. [49] Tobacco use can cause cancer throughout the body including in the mouth and throat, larynx, esophagus, stomach, bladder, kidney, cervix, colon/rectum, liver and pancreas. [50] [51] Tobacco smoke contains over fifty known carcinogens, including nitrosamines and polycyclic aromatic ...
Oral cancer is the third-most-common form of cancer in India with over 77 000 new cases diagnosed in 2012 (2.3:1 male to female ratio). [79] Studies estimate over five deaths per hour. [ 80 ] One of the reasons behind such high incidence might be popularity of betel and areca nuts, which are considered to be risk factors for development of oral ...
Generally it appears as a white patch, located at the point where the tobacco is held in the mouth. The condition usually disappears once the tobacco habit is stopped. It is associated with slightly increased risk of mouth cancer. There are many types of smokeless tobacco. Chewing tobacco is shredded, air-cured tobacco with flavoring.
The ratio of lung cancer cases in men to women varies considerably by geography, from as high as nearly 12:1 in Belarus, to 1:1 in Brazil, likely due to differences in smoking patterns. [ 97 ] Lung cancer risk is influenced by environmental exposure, namely cigarette smoking, as well as occupational risks in mining, shipbuilding, petroleum ...
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process.
Colorectal cancer is the third most common cancer diagnosed in the U.S. and the third leading cause of cancer deaths in American men and women combined, according to the CDC.
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.
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