What are the primary environmental factors leading to the development of lung cancer?

Exposure to certain hazardous chemicals like asbestos, uranium, arsenic, cadmium, chromium, nickel and some petroleum products can cause lung cancer. People also inhale these as toxic air pollutants from emissions from power plants or industry smokestacks, and sometimes from the workplaces.

What are the primary environmental factors leading to the development of cancer?

People who have certain jobs such as; painting, construction, pesticide and petroleum workers have an increased risk of cancer. Many studies have shown that exposure to asbestos, benzene, benzidine, cadmium, nickel, arsenic, radon and vinyl chloride in the workplace can cause cancer.

Which factor is the leading cause of lung cancer?

Cigarette smoking is the number one risk factor for lung cancer. In the United States, cigarette smoking is linked to about 80% to 90% of lung cancer deaths. Using other tobacco products such as cigars or pipes also increases the risk for lung cancer. Tobacco smoke is a toxic mix of more than 7,000 chemicals.

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What environmental factors contribute to cancer formation?

Environmental factors can include a wide range of exposures, such as: Lifestyle factors (nutrition, tobacco use, physical activity) Natural occurring exposures (ultraviolet light, radon gas, infectious agents) Medical treatments (radiation and medicine)

What are the environmental and or genetic risk factors for lung cancer?

Environmental factors associated with lung cancer include smoking, passive smoking, air pollution, exposure to carcinogenic chemicals and alcohol consumption. In addition, exposure to radon, heavy metals used in smelting and asbestos markedly increases the risk of developing lung cancer (6).

What are some environmental factors known to disrupt the cell cycle and cause cancer?

Environmental factors known to play important roles in the etiology of human cancer include chemical carcinogens, such as those found in cigarette smoke, dietary contaminants, such as the mycotoxin aflatoxin B1, and physical carcinogens, such as UV irradiation, asbestos and radon.

What percent of cancer is caused by environmental factors?

Lifestyle behaviors and environmental factors account for around 70-90% of cancer cases, according to new research published in the journal Nature. Share on Pinterest Researchers say up to 90% of cancer cases are caused by lifestyle and environmental factors, such as smoking.

Which environmental factors may contribute to the development of lung cancer in an individual who has never used tobacco products?

Researchers continue to make progress in understanding what can cause lung cancer in people who have never used tobacco:

  • Radon gas. …
  • Secondhand smoke. …
  • Cancer-causing agents at work. …
  • Air pollution. …
  • Gene mutations (changes).
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What are the top 5 causes of lung cancer?

Risk factors

  • Smoking. Your risk of lung cancer increases with the number of cigarettes you smoke each day and the number of years you have smoked. …
  • Exposure to secondhand smoke. …
  • Previous radiation therapy. …
  • Exposure to radon gas. …
  • Exposure to asbestos and other carcinogens. …
  • Family history of lung cancer.

What are the risk factors for lung cancer CDC?

These risk factors include exposure to other people’s smoke (called secondhand smoke), radon, air pollution, a family history of lung cancer, and asbestos.

What are some common environmental risk factors?


  • Air contaminants.
  • Toxic waste.
  • Radiation.
  • Disease-causing microorganisms and plants.
  • Pesticides.
  • Heavy metals.
  • Chemicals in consumer products.
  • Extreme temperatures and weather events.