Does Air Pollution Increase The Risk of Diabetes?

Demographic factors largely explain the association between air pollution and type 2 diabetes.

High air pollution and low physical activity are two of the leading causes of disease and premature death in middle and high-income countries, finds new research, published in the journal Environment International.

An //interdisciplinary team of scientists from the University of Leicester and other institutions has played a pivotal role in research investigating a possible link between air pollution and the rise in type 2 diabetes.

Air Pollution - Pollutants - Health Effect - Efforts to Reduce
Nearly 2.4 million deaths every year are attributable to air pollution. Air pollutants may be solid particles, liquid droplets or gases. Proper planning methods should be adopted to reduce air pollution.

‘Exposure to nitrogen dioxide and associated particulate matter is related to inflammation and insulin resistance.’

The exposure to air pollution, the number of cases of type 2 diabetes and the impact of demographic and lifestyle factors were all considered. The authors concluded that demographic factors largely explained the association between air pollution and type 2 diabetes.

Exposure to traffic related air pollutants is known to cause insulin resistance, a hallmark of the disease, and observational evidence has been applied to better understand a potential link.

Professor Roland Leigh, Technical Director of EarthSense and Director of Enterprise at the University of Leicester's Institute for Space and Earth Observation, and co-author of the study, said: "We know that air pollution is the world's largest environmental health risk affecting 92% of the population and associated with more than three million deaths per year, and evidence suggested it may contribute to the rise in type 2 diabetes.

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While original results suggested association between air pollution and associated particulates and type 2 diabetes, when the effects of lifestyle and demographic factors were considered, and given the limited size of the sample, evidence for direct association with air pollution was inconclusive.

"We will, however, continue to apply cutting-edge air quality research to unpick potentially connected long-term exposure factors," continued Professor Leigh.

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"As innovators in air quality monitoring, the University of Leicester and EarthSense has a fundamental contribution to make in the understanding of the complex issues of pollution exposure and health."

Diabetes is one of the leading causes of death in lower middle, upper middle and high income economies. The global prevalence of diabetes has nearly doubled, from 4.7% in 1980 to 8.5% in 2014, with the majority of cases being type 2.

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Experimental evidence exists to suggest exposure to nitrogen dioxide and associated particulate matter is related to inflammation and insulin resistance.

Source-Eurekalert