Monday October 21, 2019

Airborne Metal Pollution Linked to Increased Risk of Premature Death in Humans: Study

"Our results indicate that the metals present in the airborne particulate matter could be a key component in the effects of air pollution on mortality", Jacquemin explained

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metal pollution
The scientists constructed a mathematical model which was then used to map the exposure of each participant to the metals under study. Pixabay

Airborne metal pollution is associated with an increased risk of premature death in humans, according to a study. The researchers used wild moss samples to estimate human exposure to airborne metal particles in order to analyse the relationship between atmospheric metal pollution and risk of mortality.

The study, published in the journal Environment International, included data from 11,382 participants living in rural areas throughout France. “There have been very few studies on the health effects of airborne metal pollutants, partly because of technical limitations, such as the lack of stations measuring air pollution,” said Bendicte Jacquemin from Barcelona Institute for Global Health (ISGlobal) in Spain.

“We thought that moss, because of its capacity to retain these metals, would be a useful tool for estimating the atmospheric metal exposure of people living in rural areas,” Jacquemin added.

metal pollution
The final analysis showed that participants exposed to higher atmospheric concentrations of metals of anthropogenic origin had an increased risk of death. Pixabay

The scientists constructed a mathematical model which was then used to map the exposure of each participant to the metals under study. The metals were classified into two groups, according to whether their origin was considered natural or anthropogenic.

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The final analysis showed that participants exposed to higher atmospheric concentrations of metals of anthropogenic origin had an increased risk of death.
“Our results indicate that the metals present in the airborne particulate matter could be a key component in the effects of air pollution on mortality”, Jacquemin explained.

“This means that they are very likely to be exposed to lower levels of air pollution than people living in urban environments, which gives us an idea of the seriousness of the health effects of air pollution, even at relatively low levels of exposure,” she stressed. (IANS)

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Thai Authorities Issue Alert over Increase in Air Pollution in Bangkok

The country's authorities consider anything exceeding 50 µg/m3 to be unhealthy, whereas the World Health Organization recommends

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Thai, Authorities, Air Pollution
The pollution control department, in a statement said that PM2.5 - particles 2.5 microns or less in diameter - levels were between 40 and 78 micrograms per cubic metre (µg/m3) in the capital and its surrounding cities. Pixabay

Thai authorities on Monday issued an alert over an increase in air pollution in Bangkok and recommended the people to exercise precaution, especially minors, the elderly and the sick.

The pollution control department, in a statement said that PM2.5 – particles 2.5 microns or less in diameter – levels were between 40 and 78 micrograms per cubic metre (µg/m3) in the capital and its surrounding cities.

The country’s authorities consider anything exceeding 50 µg/m3 to be unhealthy, whereas the World Health Organization recommends that PM2.5 levels should not exceed 25 µg/m3, according to Efe news.

The department, in a statement, urged people in higher risk categories, such as children, pregnant women, the elderly and the sick to stay indoors.

Thai, Authorities, Air Pollution
Thai authorities on Monday issued an alert over an increase in air pollution in Bangkok and recommended the people to exercise precaution, especially minors, the elderly and the sick. Pixabay

Prime Minister Prayut Chan-ocha tweeted encouraging people to use masks and called for construction firms and factories to cooperate to reduce air pollution.

According to the authorities, the increase in pollution is due to the scarcity of rainfall in recent days.

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Chengdu (China), Hanoi, Bangkok, Hong Kong and Seoul on Monday topped the list of the major cities with the highest levels of air pollution, according to Air Visual, a platform that measures air pollution around the world. (IANS)