How fine particulate matter affects our lives
How Fine Particulate Matter Affects Our Health: A Look at the Research Fine particulate matter (PM) is a type of air pollution that has been linked to a variety of adverse health effects. PM is composed of tiny particles that are less than 2.5 micrometers in diameter, and is created by a variety of sources, including motor vehicles, industrial processes, and burning of biomass. In recent years, research has been conducted to better understand the health effects of PM exposure. Studies have found that PM exposure is associated with a variety of respiratory and cardiovascular health effects. For example, a meta-analysis of over 100 studies found that PM exposure was associated with an increased risk of mortality from cardiovascular and respiratory diseases. Additionally, PM exposure has been linked to an increased risk of asthma, chronic obstructive pulmonary disease, and other respiratory illnesses. In addition to respiratory and cardiovascular health effects, PM exposure has also been ...