Recently,the International Agency for Research on Cancer(IARC)has classified outdoor air pollution and the particulate matter component of outdoor air pollution as class I carcinogen.Air pollution is consistently asso...Recently,the International Agency for Research on Cancer(IARC)has classified outdoor air pollution and the particulate matter component of outdoor air pollution as class I carcinogen.Air pollution is consistently associated with lung cancer in epidemiologic and experimental studies.The IARC assessment is specifically designed as hazard identification,and it does not quantify the magnitude of the cancer risk.This article addresses the magnitude of the lung cancer risk in the population due to ambient air pollution exposure.展开更多
Prevalence of allergic rhinitis has rapidly increased among Chinese children,but the reasons are unclear.Recent findings have suggested that exposure to outdoor air pollutants may increase the risk of allergic rhiniti...Prevalence of allergic rhinitis has rapidly increased among Chinese children,but the reasons are unclear.Recent findings have suggested that exposure to outdoor air pollutants may increase the risk of allergic rhinitis,but the results were inconsistent.This study further investigated the effect of outdoor air pollutants on allergic rhinitis among preschool children.A standardized questionnaire on health,home and environmental factors was conducted for 4988 children aged 1–8 in the city of Changsha,and the concentrations of PM10(particle diameter 10 m),sulfur dioxide(SO2)and nitrogen dioxide(NO2)during 2006–2011 were acquired from the official web of Changsha Environmental Protection Agency.Results showed that the prevalence of children’s doctor diagnosed rhinitis was 8.4%(95%confidence interval[CI]7.0%–10.0%).It was found that the prevalence of rhinitis was not associated with site-specific background concentrations of air pollutants,but significantly positively correlated with age-related accumulative personal exposure of PM10,SO2and NO2.We conclude that age-related accumulative personal exposure to ambient air pollution may play an important role in the development of rhinitis.展开更多
文摘Recently,the International Agency for Research on Cancer(IARC)has classified outdoor air pollution and the particulate matter component of outdoor air pollution as class I carcinogen.Air pollution is consistently associated with lung cancer in epidemiologic and experimental studies.The IARC assessment is specifically designed as hazard identification,and it does not quantify the magnitude of the cancer risk.This article addresses the magnitude of the lung cancer risk in the population due to ambient air pollution exposure.
基金supported by the National Natural Science Foundation of China(51178466)the Research Fund for the Doctoral Program of Higher Education of China(20120162110011)
文摘Prevalence of allergic rhinitis has rapidly increased among Chinese children,but the reasons are unclear.Recent findings have suggested that exposure to outdoor air pollutants may increase the risk of allergic rhinitis,but the results were inconsistent.This study further investigated the effect of outdoor air pollutants on allergic rhinitis among preschool children.A standardized questionnaire on health,home and environmental factors was conducted for 4988 children aged 1–8 in the city of Changsha,and the concentrations of PM10(particle diameter 10 m),sulfur dioxide(SO2)and nitrogen dioxide(NO2)during 2006–2011 were acquired from the official web of Changsha Environmental Protection Agency.Results showed that the prevalence of children’s doctor diagnosed rhinitis was 8.4%(95%confidence interval[CI]7.0%–10.0%).It was found that the prevalence of rhinitis was not associated with site-specific background concentrations of air pollutants,but significantly positively correlated with age-related accumulative personal exposure of PM10,SO2and NO2.We conclude that age-related accumulative personal exposure to ambient air pollution may play an important role in the development of rhinitis.
