
Causes
- Passive smoking: Inhaling other people’s cigarette smoke increases the risk of lung disease and cancer. ...
- Chemicals: Certain chemicals such as asbestos, uranium, metal dust and fumes, nickel, paints, diesel exhaust, nitrogen oxides. ...
- Air pollution: May be a cause in countries where it is particularly bad.
Symptoms
Your risk of lung cancer may be higher if your parents, brothers or sisters, or children have had lung cancer. This could be true because they also smoke, or they live or work in the same place where they are exposed to radon and other substances that can cause lung cancer. Radiation Therapy to the Chest
Prevention
What Steps Can You Take to Lower Your Risk of Lung Cancer?
- Quit smoking. At the start of the 20th century, lung cancer was a fairly rare disease. ...
- Avoid secondhand smoke. Secondhand smoke is smoke from other people’s cigarettes or cigars, as well as the smoke that they exhale.
- Check your home for radon gas. ...
- Know your family history. ...
- Avoid exposure to hazardous substances. ...
- Reduce your risk of HIV infection. ...
Complications
The group then created a risk calculator that allows you to calculate your personal risk of developing lung cancer within 6 years and within 16 years. This online calculator has been named the HUNT Lung Cancer Risk Model.
What increases my risk for lung cancer?
Who is at high risk for lung cancer?
How can you reduce your risk of lung cancer?
Can you calculate your risk of lung cancer?

What are the top 3 causes of lung cancer?
What Causes Lung Cancer?Smoking. Smoking is the number one cause of lung cancer. ... Radon. Radon exposure is the second-leading cause of lung cancer. ... Hazardous Chemicals. Exposure to certain hazardous chemicals poses a lung cancer risk. ... Particle Pollution.
What are the types of lung cancer risk factors and prevention?
Lung Cancer - Non-Small Cell: Risk Factors and PreventionTobacco and smoking. Tobacco smoke damages cells in the lungs, causing the cells to grow abnormally. ... Asbestos. ... Radon. ... Air pollution. ... Other substances. ... Genetics.
What are some risk factors for cancer?
General risk factors for cancer include:Older age.A personal or family history of cancer.Using tobacco.Obesity.Alcohol.Some types of viral infections, such as human papillomavirus (HPV)Specific chemicals.Exposure to radiation, including ultraviolet radiation from the sun.
Which is a primary risk factor for developing cancer?
Age. For most people, increasing age is the biggest risk factor for developing cancer.
What are the different types of lung cancer?
There are two main types of lung cancer: small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). A third less common type of lung cancer is called carcinoid.
How can we prevent lung cancer?
If you smoke, the best way to prevent lung cancer and other serious conditions is to stop smoking as soon as possible. However long you have been smoking, it's always worth quitting. Every year you do not smoke decreases your risk of getting serious illnesses, such as lung cancer.
What is the best way to prevent lung cancer?
The following are protective factors for lung cancer:Not smoking. The best way to prevent lung cancer is to not smoke.Quitting smoking. Smokers can decrease their risk of lung cancer by quitting. ... Lower exposure to workplace risk factors. ... Lower exposure to radon.
What are the risk factors for lung cancer?
Personal risk factors for lung cancer are those things that you typically can’t change, like your age, family medical history, and previous health conditions.
What are the factors that increase the risk of lung cancer?
These can be divided into three categories: lifestyle risk factors. personal risk factors. environmental risk factors.
Why is radon bad for you?
It’s both colorless and odorless. Because radon is radioactive, breathing in air that contains radon exposes your lungs to small levels of radiation. According to the Environmental Protection Agency (EPA), radon is the second leading cause of lung cancer in the United States.
What percentage of lung cancer deaths are caused by air pollution?
High levels of outdoor air pollution can occur in large cities or areas that have heavy traffic. The American Cancer Society estimates that about 5 percent of lung cancer deaths worldwide are due to outdoor air pollution.
What is the average age for lung cancer?
According to the American Cancer Society, the average age of someone newly diagnosed with lung cancer is 70. Age likely increases your risk due to the effects of other factors, such as lifestyle habits and environmental factors.
What are the causes of lung cancer?
Some types of lung conditions, such as chronic obstructive pulmonary disorder (COPD) and tuberculosis, can increase your risk of lung cancer.
How old do you have to be to get screened for lung cancer?
However, in this case, the age range is different: 55 to 74 years of age. If you’re thinking about being screened for lung cancer, speak to your healthcare provider. They can help determine if you’re a good candidate for screening and direct you to a nearby screening facility.
What are the causes of lung cancer?
Approximately 90 percent of lung cancers are caused by cigarette smoking. Additional risk factors for lung cancer include secondhand smoking, a family history of lung cancer, some vitamins and exposure to chemicals like radon and asbestos.
How many lung cancers can be prevented by smoking?
It is estimated that as many as 90 percent of lung cancer diagnoses could be prevented if cigarette smoking were eliminated. Exposure to certain industrial substances such as arsenic, some organic chemicals, radon, asbestos, radiation exposure, air pollution, tuberculosis and environmental tobacco smoke in nonsmokers also increases ...
What are the risks of smoking in a home?
Homes and offices may harbor chemicals or other substances that increase the risk of cancer for those who live or work in them. The biggest culprit is radon. In people who have never smoked, about 30 percent of deaths caused by lung cancer have been linked to being exposed to radon. Like occupational exposures, the risks of environmental exposure are increased for those who smoke.
What are the causes of mesothelioma?
Of all mesothelioma cases reported, 70 percent to 80 percent have been linked to exposure to asbestos in the workplace. Other toxins — such as arsenic, nickel and chromium, as well as tar and soot — can also increase the risk of developing lung cancer, particularly for people who smoke.
Does second hand smoke cause cancer?
Though it comes in smaller amounts, the same cancer-causing agents are inhaled through secondhand smoke.
Can you smoke if you have lung cancer?
In families with a history of lung cancer, there is no such thing as a safe cigarette or a safe level of exposure to smoking.
Can asbestos cause mesothelioma?
Exposure to asbestos is known to cause mesothelioma. While it is no longer used, asbestos was once commonly used in building materials and insulation. People who worked in construction, shipbuilding, certain types of manufacturing, as firefighters and in other related fields may have been exposed to asbestos over the years of their employment. Of all mesothelioma cases reported, 70 percent to 80 percent have been linked to exposure to asbestos in the workplace.
What are the causes of lung cancer?
Lung cancer can be caused by exposures to carcinogens in the workplace, including asbestos, uranium, tar, arsenic, chromium, nickel, diesel fumes, soot, and coke (a type of fuel). 1,2
Which lung disease has the highest rate of cancer?
Other diseases and lung cancer. People who have other forms of lung disease, such as COPD and asthma, have higher rates of lung cancer. Two more rare lung diseases, idiopathic pulmonary fibrosis (IPF) and systemic sclerosis (SSc), are also tied to lung cancer.
How does asbestos affect lung cancer?
Nonsmokers who are exposed to asbestos are 5 times more likely to develop lung cancer than those who are not exposed to asbestos. Exposure to workplace carcinogens also increases the risk of death from lung cancer. 1,2.
How many people die from lung cancer each year?
It is estimated that 15,000 to 20,000 deaths from lung cancer each year are due to radon exposure. Smokers who are exposed to radon have a much higher risk of developing lung cancer. 1,2. Exposure to high doses of radiation increases the risk of developing lung cancer, something scientists found among survivors of the atomic bomb in Japan.
What is the most likely source of radiation exposure in the U.S.?
Today, x-rays and CT scans are the most likely sources of radiation exposure in the U.S. though the risk is low, even for smokers. 2
Can you get lung cancer from a family history?
Unfortunately, a family history of lung cancer puts you at higher risk for lung cancer too. One large analysis that looked at 41 studies found a nearly 2-fold increased risk for lung cancer in people with a family history of the disease. This increased risk was present for both smokers and nonsmokers. 2,3
Does smoking cause cancer?
Smoking causes about 90 percent of all lung cancers, including small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). The enormous effect of cigarette smoking far outweighs all other factors leading to lung cancer. Plus, the risk increases the longer someone smokes and the more cigarettes smoked per day. 1,2.
Risk Factors
A risk factor is anything that affects your chance of getting a disease such as cancer. Learn more about the risk factors for lung cancer.
Prevention
There is no way to completely prevent cancer. But there are things you can do that might lower your risk. Learn more.
