The lungs are included in the respiratory system that is
responsible for carrying out the respiratory function, that is, through the
airways that provide oxygen to the body and expel carbon dioxide, a waste
product produced by the cells of the body.
Lung cancer occurs when there is an exaggerated growth of
malignant cells in this organ. If it can not be diagnosed in time, metastasis
of time can occur, in these cases the cancer cells move to other organs of the
body.
It is the most
frequent cause of cancer death in both men and women.
Causes
The reasons
that can cause the appearance of cancer are:
Tobacco: It is the main cause. Tobacco smoke, with its concentration
of carcinogens, goes directly to the air inhaled by both smokers and
non-smokers.
Quitting
smoking significantly reduces the risk of developing this disease as well as
contracting other diseases related to smoking, such as heart disease, emphysema
and chronic bronchitis.
Effects of radon: Radon is a radioactive gas that has been found in rocks and soil
of the earth and that is formed by the natural decomposition of radium. Being
invisible and odorless, the only way to determine if one is exposed to gas is
to measure their levels. In addition, exposure to cancer combined with smoking
significantly increases the risk of lung cancer. Therefore, for smokers,
exposure to the general public.
Exposure to carcinogens: Asbestos is more common than the best known
of the categories related to lung cancer, but there are many others such as
uranium, arsenic, certain petroleum products, etc.
Genetic predisposition: It is known that cancer can be caused by
mutations (changes) in DNA, which activate oncogenes or cause the tumor
suppressor genes to remain inactive. Some people inherit DNA mutations from
their parents, which greatly increases the risk of developing cancer.
Cancer-causing agents in the workplace: people at risk of
infection found in miners who disable radioactive minerals, such as uranium,
and workers exposed to chemicals such as acid, vinyl chloride, nickel
chromates, products derived from coal, mustard gas and chloromethyl ethers.
Marijuana: Marijuana cigarettes contain more tar than tobacco cigarettes.
Likewise, smoke is inhaled deeply and retained in the lungs for a long time.
Recurrent inflammation: Tuberculosis and some types of pneumonia
often leave scars on the lung. These scars increase a person’s risk of
developing the type of lung cancer called adenocarcinoma.
Talcum powder: Some studies carried out on miners and talc millers who have
a higher risk of developing this disease due to exposure to industrial grade
talc. This powder, in its natural form, can contain asbestos.
Other types of mineral exposure: People with silicosis
and berylliosis are also at increased risk of lung cancer.
Excess or deficiency of vitamin A: People who have no
choice but to have an increased risk of developing lung cancer. On the other
hand, taking too much vitamin can also increase the risk.
Air pollution: In some words, air pollution can slightly increase the risk of
lung cancer. This possibility is much smaller than that caused by smoking.

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