Risks of tobacco

Secondhand smoke - risks; Cigarette smoking - risks; Smoking and smokeless tobacco - risks; Nicotine - risks

Knowing the serious health risks of using tobacco may help motivate you to quit. Using tobacco over a long time can increase your risk of many health problems.

Tobacco and vascular disease

Tobacco use and exposure may cause an acceleration of coronary artery disease and peptic ulcer disease. It is also linked to cancer, stroke, COPD, fetal illness, and delayed wound healing.

Tobacco and chemicals

Some of the chemicals associated with tobacco smoke include ammonia, carbon dioxide, carbon monoxide, propane, methane, acetone, hydrogen cyanide and various carcinogens. Other chemicals that are associated with chewing or sniffing tobacco include aniline, napthalene, phenol, pyrene, tar, and 2-naphthylamine.

Tobacco and cancer

Tobacco and its various components increase the risk of several types of cancer especially cancer of the lung, mouth, larynx, esophagus, bladder, kidney, pancreas, and cervix. Smoking also increases the risk of heart attacks, strokes and chronic lung disease.

Tobacco health risks

In general, chronic exposure to cigarette smoking may cause increased risk of cancer, COPD, coronary artery disease, stroke, fetal illnesses, and delayed wound healing.

Secondhand smoke and lung cancer

Secondhand smoke has been classified as a known cause of lung cancer in humans (Group A carcinogen).

Respiratory cilia

The bronchus in the lungs are lined with hair-like projections called cilia that move microbes and debris up and out of the airways. Scattered throughout the cilia are goblet cells that secrete mucus which helps protect the lining of the bronchus and trap microorganisms.

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