Category Archives: Medical Studies

Air pollution: One in 12 child asthma cases linked to nitrogen dioxide exposure

Researchers estimate that 1.85 million new childhood asthma cases in 2019 were linked with exposure to nitrogen dioxide, a toxic gas released by diesel vehicles About one in 12 new child asthma cases worldwide are associated with exposure to a … Continue reading

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The Lancet Planetary Health: 1.8 million excess deaths attributable to urban air pollution in 2019, modelling study suggests

A new modelling study finds that 86% of people living in cities worldwide (or 2. 5 billion people) are exposed to annual average levels of fine particulate matter exceeding the World Health Organisation (WHO) guideline from 2005. A second study … Continue reading

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Meat-eating causes 75,000 Chinese deaths a year through pollution

Dietary shifts towards eating more meat causes 75,000 premature deaths a year in China through air pollution, a study shows.  The study, published in the journal Nature Food, is the first to examine how changes in diets in China from … Continue reading

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Specific components of air pollution identified as more harmful than others

New estimates can help reveal dangers of specific chemicals and inform policies to reduce the impact of air pollution on human health Ammonium is one of the specific components of fine particulate matter (PM2.5), that has been linked to a … Continue reading

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Chronic exposure to air pollution may increase risks for ICU admission or death among COVID-19 patients, study finds

Hospitalized COVID-19 patients who had been chronically exposed in their neighborhoods to higher particulate matter — such as smoke, soot, and dirt — had increased risks for admission to the intensive care unit (ICU) and death compared to those without … Continue reading

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Does air pollution reduce the benefits of physical activity on the brain?

A new study shows that people who do vigorous physical activities, like jogging or playing competitive sports, in areas with higher air pollution may show less benefit from that exercise when it comes to certain markers of brain disease. The … Continue reading

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Long-term exposure to air pollution linked to metabolic-associated fatty liver disease

Metabolic-associated fatty liver disease (MAFLD) is a growing global health challenge and poses a substantial economic burden. A large-scale epidemiologic study in China has identified links between long-term exposure to ambient air pollution and MAFLD. These links are exacerbated by … Continue reading

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European cities could avoid an extra 114,000 premature deaths every year by meeting the new WHO air quality guidelines

An update of the ISGlobal Ranking of Cities shows that the new air pollution recommendations could save up to 58,000 additional deaths for PM2.5 and 56,000 for NO2 compared to the previous recommendations A health impact assessment from the Barcelona … Continue reading

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