Causes of Lung Cancer You Probably Didn’t know

Causes of Lung Cancer You Probably Didn't know

Lung cancer is one of the most common and deadly forms of cancer. It is a disease characterized by the uncontrolled growth of abnormal cells in the lungs. These cells can form tumors and interfere with the normal functioning of the lung, making it difficult to breathe and ultimately leading to death.

The main cause of lung cancer is smoking. It is estimated that about 80-90% of all lung cancer cases are caused by smoking. When a person smokes, they inhale thousands of chemicals and toxins, many of which are carcinogenic, meaning they have the ability to cause cancer. Over time, these chemicals can damage the DNA in the cells of the lung, leading to the development of cancerous tumors.

Secondhand smoke is also a significant risk factor for lung cancer. People who are exposed to secondhand smoke are at an increased risk of developing the disease, even if they have never smoked themselves.

Also Read: Lung Cancer Symptoms You Probably Didn’t know

Air pollution is another environmental factor that can increase the risk of lung cancer. Long-term exposure to polluted air can damage the lungs and increase the risk of developing cancer.

Radon gas is a naturally occurring gas that can seep into homes and buildings through cracks in the foundation. It is the second leading cause of lung cancer and is responsible for about 21,000 deaths in the United States each year.

Exposure to certain chemicals and substances, such as asbestos, can also increase the risk of lung cancer. Asbestos is a mineral that was widely used in construction and other industries in the past. When asbestos fibers are inhaled, they can become lodged in the lungs and increase the risk of developing cancer. Having a family history of lung cancer or certain genetic mutations can also increase the risk of developing the disease.

In summary, smoking is the leading cause of lung cancer, but exposure to secondhand smoke, air pollution, radon gas, certain chemicals and substances, and certain genetic mutations can also increase the risk. It’s important to take preventive measures to reduce the risk of lung cancer such as avoiding smoking, avoiding exposure to secondhand smoke, reducing exposure to environmental pollution, testing for radon gas in homes, and avoiding exposure to known carcinogens.

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