Smoking is a common habit of people. At the end of twentieth Century, the smoking rate of 15~69 year old men and women in China was 63% and
Smoking is a common habit of people. At the end of twentieth Century, the smoking rate of 15~69 year old men and women in China was 63% and 3.8%, respectively. Smoking has been recognized as the most important risk factor for lung cancer.
Male lung cancer 80%-90% is associated with smoking, and female lung cancer 19.3%-40% is associated with smoking.
Two, the greater the amount of smoking, the longer the risk of lung cancer. If the same number of years of smoking, daily smoking 40 lung cancer mortality rate is 30 times higher than non-smokers, the daily intake of the high of 15 times a day, 10 times a day to suck up to 8 times.
The risk of lung cancer was increased by 50% in female nonsmokers.
Three, compared with the continuous smokers, smokers quit smoking longer, the risk of lung cancer decreased significantly. Those who quit smoking for 10 years or more, the risk of lung cancer is very close to that of non-smokers, but still higher than non-smokers.
Four, the most common lung cancer in smokers, followed by small cell carcinoma, in recent years found that the incidence of lung adenocarcinoma and smoking significantly increased the correlation.