Living close to bus stops and other places with highly polluted air can increase the risk of lung cancer by up to two times, according to a study by Inha University Hospital, Samsung Medical Center and Asan Medical Center.


Researchers studied 908 lung cancer patients and a control group over a period of 20 years and released the findings on Tuesday.


They analyzed the levels of fine dust and nitrogen dioxide in the areas where the study subjects lived between 1995 and 2014 and concluded that every 10 ㎍/m³ increase in fine dust levels led to a 1.09-fold rise in the likelihood of developing lung cancer.


Also, a 10 ppb rise in car exhaust levels resulted in a 1.1-fold increase.


People who lived within 2 km of bus and taxi stops were 2.01 times more likely to develop lung cancer than those who did not. 

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