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Hazard of particulate matter

time:2019-08-24 23:55:16  from:  author:

  Fine particulate matter, commonly known as PM2.5, comes from soot exhaust gas, process and a variety of daily chemical products. Studies have found that it is related to cancer, asthma, infertility and even birth defects. Particulate matter has different sizes, but it can usually be measured as "fine particles" (PM2.5) with diameter less than 2.5 or "coarse particles" (PM10) with diameter between 2.5 and 10 > um. PM2.5 > particles smaller than 2.5 um in diameter are so small that they can easily be sucked into the lungs and can cause serious health problems, including respiratory and heart diseases. All particles have potential health or well-being risks and their threats are well documented. In the United States, written documents from the California Environmental Protection Agency's Air Resources Board (ARB) show that short-term and long-term particulate matter exposure can lead to harmful health effects. Scientists have found that during periods of high PM concentration, hospitalization, emergency room visits and doctor visits for respiratory or cardiac diseases are higher. During periods of high PM levels, scientists also found that symptoms of asthma and acute and chronic bronchitis worsened. High PM levels are associated with the reduction of various lung health functions.

  Particulate matter in the air has a greater impact on infants and young children. Data from the Children's Study of the Air Resources Board (ARB) of the California Environmental Protection Agency show that particulate matter also has an impact on children's health. The study showed that children's lungs developed slowly in PM-polluted communities and were less efficient in transporting air than those in clean air communities.

  Children and infants are more vulnerable to PM and other pollutants because they breathe more air per kilogram of body weight than adults - they breathe faster, exercise more and have smaller bodies. And the immature immune system of children also makes them more prone to PM risk than adults. Health Canada reported that researchers found that indoor PM2.5 was associated with decreased lung function in children with asthma. Indoor air pollution.

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