Frequent question: What factors contribute to developing lung cancer?

What is the major risk factor for developing 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.

What are the causes of lung cancer other than smoking?

Lung cancer can be caused by many risk factors other than smoking cigarettes, pipes, or cigars. These risk factors include exposure to other people’s smoke (called secondhand smoke), radon, air pollution, a family history of lung cancer, and asbestos.

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 possible risk factors that increase an individual’s chance of developing cancer?

The most common risk factors for cancer include aging, tobacco, sun exposure, radiation exposure, chemicals, and other substances, some viruses and bacteria, certain hormones, family history of cancer, alcohol, poor diet, lack of physical activity, or being overweight.

What is the most common cause of lung cancer in nonsmokers?

Radon gas: Exposure to radon gas is considered to be one of the causes of lung cancer in nonsmokers, accounting for about 21,000 lung cancer deaths each year.

When does lung cancer develop?

Lung cancer mainly occurs in older people. Most people diagnosed with lung cancer are 65 or older; a very small number of people diagnosed are younger than 45. The average age of people when diagnosed is about 70.

What are some of the warning signs of lung cancer?

Signs and Symptoms of Lung Cancer

  • A cough that does not go away or gets worse.
  • Coughing up blood or rust-colored sputum (spit or phlegm)
  • Chest pain that is often worse with deep breathing, coughing, or laughing.
  • Hoarseness.
  • Loss of appetite.
  • Unexplained weight loss.
  • Shortness of breath.
  • Feeling tired or weak.

What race is most susceptible to lung cancer?

In this report, the annual incidence of lung cancer was highest among Blacks (76.1 per 100,000), followed by Whites (69.7 per 100,000), American Indians/Alaska Natives (48.4 per 100,000), and Asian/Pacific Islanders (38.4 per 100,000).

Are there environmental or health factors that can cause 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.

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