The Impact of Air Pollution on Mental Health
The World Health Organization estimates that air pollution causes roughly 3 million premature deaths every year (Vigo et al 2016). Air pollution is a generic term that includes a variety of pollutants including gases, metallic and organic compounds, and particulate matter (PM). Most negative physical and mental health consequences of air pollution are caused by the effects of PM on the body and brain.
PM in the atmosphere is caused by both human activity and natural processes. Leading causes of PM include combustion of fossil fuels (e.g. from automobile exhaust), industrial processes, and large-scale agricultural operations. Natural sources of PM include windblown dust and wildfires.
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