Wednesday, August 31, 2016

Fracking industry wells associated with increased risk of asthma attacks

Fracking industry wells associated with increased risk of asthma attacks

Public Release: 18-Jul-2016
Study: Fracking industry wells associated with increased risk of asthma attacks
Evidence growing of health problems linked to active unconventional natural gas wells
Johns Hopkins University Bloomberg School of Public Health

People with asthma who live near bigger or larger numbers of active unconventional natural gas wells operated by the fracking industry in Pennsylvania are 1.5 to four times likelier to have asthma attacks than those who live farther away, new Johns Hopkins Bloomberg School of Public Health research suggests.

The findings, published July 18 in JAMA Internal Medicine, add to a growing body of evidence tying the fracking industry to health concerns. Health officials have been concerned about the effect of this type of drilling on air and water quality, as well as the stress of living near a well where just developing the site of the well can require more than 1,000 truck trips on once-quiet roads. The fracking industry has developed more than 9,000 wells in Pennsylvania in just the past decade.

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Those who lived closer to a large number or bigger active natural gas wells were significantly more likely - 1.5 to four times more likely - to suffer asthma attacks. And while these asthma attacks were likely to occur more frequently around wells throughout the four phases of the development process, the researchers found that the increased risk was greater during the production phase, which can last many years. The findings held up even when accounting for other factors that can exacerbate asthma, including proximity to major roads, family history, smoking, socioeconomics and more.

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Previous research has linked the fracking industry, for example, to an increase in such adverse reproductive outcomes as preterm births and lower birth weights, and also to a variety of symptoms such as those involving the skin or upper respiratory tract. The researchers say that drilling and production of wells has become safer and cleaner in the past years, something that would not be captured in this study.

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