An international research team, led by the University of Technology Sydney (UTS) and the Woolcock Institute of Medical Research (WIMR) investigated whether a low level of exposure to PM10 was harmful. PM10 refers to particles equal or below 10 microns in size, they make up a large proportion of air pollution and can enter the lung.
The results of the study have been published in the American Journal of Physiology -- Lung Cellular and Molecular Physiology (AJP-Lung).
Dr - Yik - Chan - UTS - WIMR
Dr Yik Chan from UTS and WIMR, and co-lead author on the paper, said that low level air pollution was often mistakenly treated as "safe" and not harmful to health.
"In Sydney and other Australian capital cities the levels of traffic related air pollution (TRAP) are low by world standards and not often considered a problem in terms of developing chronic lung disease. However almost everyone living in an urban area is exposed to TRAP," Dr Chan said.
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