Air pollution is a world public health problem. Particulate matter (PM), a mix of solid and
liquid particles in the air, becomes an increasing concern in the social and economic …

Recently, many researchers paid more attentions to the association between air pollution
and respiratory system disease. In the past few years, levels of smog have increased …

Air pollution is a very critical issue worldwide, particularly in developing countries.
Particulate matter (PM) is a type of air pollution that comprises a heterogeneous mixture of …

Several epidemiologic and toxicological studies have commonly viewed ambient fine
particulate matter (PM2. 5), defined as particles having an aerodynamic diameter of less …

Exposure to fine particulate matter (PM) results in adverse health outcomes. Although this is
a global concern, residents of China may be particularly vulnerable due to frequent severe …

Airborne particulate matter presents a serious health threat to human beings, but in China
there have until now been few epidemiological studies, especially regarding the impact of …

Background A multitude of epidemiological studies have shown that ambient fine particulate
matter 2.5 (diameter< 2.5 um; PM 2.5) was associated with increased morbidity and mortality …

Background Positive associations between ambient PM2. 5 and cardiorespiratory disease
have been well demonstrated during the past decade. However, few studies have examined …

The health impact of airborne particulate matter (PM) has long been a concern to clinicians,
biologists, and the general public. With many epidemiological studies confirming the …

Rationale: Limited cohort studies have evaluated chronic effects of high fine particulate
matter (particulate matter with an aerodynamic diameter≤ 2.5 μm [PM2. 5]) exposure on …