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Study links PM2.5 pollution to increased risk of diabetes; even low levels pose risk

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A study by a team from Washington University School of Medicine in St. pollution—even at levels deemed safe—to an increased risk of diabetes globally. Our research shows a significant link between air pollution and diabetes globally. Overall, the researchers estimated that pollution contributed to 3.2

Pollution 252
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Study finds pollution emitted near equator has biggest impact on global ozone

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Since the 1980s, air pollution has increased worldwide, but it has increased at a much faster pace in regions close to the equator. The work provides strategic insight on where in the world to reduce emissions of pollutants that form ozone. Jason West, corresponding author. —Owen R. Cooper, co-author. Yuqiang Zhang, Owen R.

Ozone 230
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10-year study shows how air pollution fosters heart disease; accelerated plaque build-up in arteries

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Long-term exposure to particulate air pollution has been linked to an increased risk of heart disease, but the biological process has not been understood. Participant-specific pollutant concentrations averaged over the years 2000–10 ranged from 9.2–22.6 The study is published in The Lancet. and NO x between 1999 and 2012. μg PM 2.5 /m

Pollution 199
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Team finds high concentrations of combustion- and friction-derived magnetic air pollution nanoparticles in human hearts in Mexico City

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A 2016 study by Professor Maher and colleagues found abundant magnetite nanoparticles in brain tissue; magnetite is toxic and has been implicated in the production of reactive oxygen species (free radicals) in the human brain, which are associated with neurodegenerative diseases including Alzheimer’s disease. Cross, Imad A.M. 2019.108567.

Pollution 236
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Imaging study: air pollution impairs function of blood vessels in lungs

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Air pollution impairs the function of blood vessels in the lungs, according to a study of more than 16,000 patients presented at EuroEcho-Imaging 2016. The study examined the effect of air pollution on pulmonary haemodynamics (blood flow) in a population and in individuals. Increases in PM 10 and PM 2.5

Pollution 150
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UBC study links traffic air pollution exposure during pregnancy with asthma risk

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Babies born to mothers exposed to air pollution from traffic during pregnancy have an increased risk of developing asthma before the age of six, according to new University of British Columbia (UBC) research published in the European Respiratory Journal. —Hind Sbihi.

Pollution 150
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Decrease in air pollution associated with decrease in respiratory symptoms among children

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Decreases in ambient air pollution levels over the past 20 years in Southern California were associated with significant reductions in bronchitic symptoms in children with and without asthma, according to a study by researchers at the University of Southern California published in JAMA. Kiros Berhane, Ph.D., —Berhane et al.

Pollution 150