Lung cancer is the most major cancer killer in the United States. There are about 200 thousand people will be diagnosed with lung cancer every year. Each year 150 thousand people will die of Lung cancer. Lung cancer kills more people than prostate cancer, breast cancer and intestinal cancer combined.
About 90% of lung cancers are caused by smoking, secondhand smoke and air pollution, People who smoke or were exposed to secondhand smoke and heavy air pollution have a significantly increased risk of lung cancer. But lung cancer also occurs in people who never smoked or never had exposure to secondhand smoke and heavy air pollution.
Lung Cancer may be caused by various factors, including:
Smoking: Smoking is the leading cause of lung, tobacco contains a large number of carcinogenic substances
Secondhand smoke: Long-term exposure to secondhand smoke is associated with the incidence of lung cancer.
Exposed to heavy air pollution: As people age, accumulated exposure to heavy air pollution may lead to lung cancer.
Chronic lung disease: This includes pulmonary tuberculosis, pneumoconiosis, silicosis etc. The incidence of lung cancer in patients with these diseases is higher than normal people.
Family history of lung cancer: Family history can increase the risk factor of lung cancer
Exposed to radiation: This includes exposure from work place or your home
Radon gas: the radiation exposure from radon may lead to lung cancer.
Oil fume from kitchens: Pay attention to the kitchen ventilation.
Carcinogenic substance: These include Uranium, radium and other radioactive substances and their derivatives, carcinogenic hydrocarbons, arsenic, chromium, nickel, copper, tin, iron, coal tar, asphalt, oil, asbestos, mustard gas, etc. People chronically exposed to these substance can increase your risk for lung cancer.
Many lung cancer patients have no symptoms in early stage of lung cancer, but some lung cancer patients may have some symptoms in its early stages:
Cough: Its main clinical manifestations are dry cough, sometimes with sputum that has traces of blood in it.
Chest pain: Irregular dull pain
Chest distress and short breath
Because the early symptoms of lung cancer are occult, therefore, high risk groups (Such as Smoking, Family history of lung cancer) should be regular physical examination.
Smoker: Smoking for 20 years or more; smokers consumed much more 20 cigarettes per day; Smoking before the age of 20.
Those who are second-hand smokers for more than 10 years
Those with frequent exposure to soot or lampblack: The combustion products of coal, coal tar or other oils are carcinogenic, and the incidence of lung cancer in coal gas , coking and bitumen workers is higher than that in normal people.
Patients with chronic lung disease: Chronic bronchitis, pulmonary tuberculosis and so on.
Those exposed to arsenic, asbestos, chromium and nickel, etc. in their occupation: Exposure in a large amount for a long time and the lack of protection will lead to a 10-fold risk of lung cancer in these populations compared to that in normal populations.
Populations with long-term exposure to radioactive substances, such as Radon
Those with a history of familiar lung cancer
If you meet the above-mentioned conditions, you belong to the high-risk population of lung cancer and need extra attention. You should undergo an examination every six months or once a year.
Give up smoking: Keep away from cigarette
Pay attention to the kitchen ventilation: Kitchen fumes will increase your risk of lung cancer
Room air: The residual noxious substances indoors after house decorations have become the second cause of lung cancer. Therefore, the decoration materials must be environmentally friendly. After decorations, do not rush to move in. And instead, the house should be ventilated for a few days, and move in after the odor arising from the decoration is eliminated.
Haze days: Hazy days are more likely to cause lung cancer than tobaccos. You had better go outside less frequently, and you should wear masks if you want to go outside. At the same time, households near the side of the road should open their windows less frequently during the day when there is a heavy traffic, and do not open the car windows when there is a traffic congestion.
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