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You are here: Home / About / EHSRC News

EHSRC Member publishes study about potential link between cardiovascular death and pesticides

January 7, 2020 By Curnick, Jacqueline A

Article by Tom Snee, University of Iowa published here

A new study from the University of Iowa suggests that people who have higher levels of a chemical in their body that indicates exposure to commonly used insecticides die of cardiovascular disease at a significantly higher rate.

Findings from the study, published in the journal JAMA Internal Medicine, suggest those who have high levels of exposure to pyrethroid insecticides are three times more likely to die of cardiovascular disease than people with low or no exposure.

Wei Bao, assistant professor of epidemiology in the University of Iowa College of Public Health and the study’s corresponding author, says the findings come from an analysis of a nationally representative sample of American adults, not just those who work in agriculture. That means the findings have public health relevance to the general population.

He also cautions that as an observational study, the research does not determine if the people in the sample died as a direct result of their exposure to pyrethroids. He says that the results indicate a high likelihood of a link, but more research is needed to replicate the findings and determine the biological mechanisms.

Pyrethroids are among the list of commonly used insecticides with the largest market share and they constitute the majority of commercial household insecticides. They are found in numerous commercial insecticide brands and are used widely in agricultural, public, and residential settings for pest control. Metabolites of pyrethroids, such as 3-phenoxybenzoic acid, can be measured in the urine of people who are exposed to pyrethroids.

Bao and his team of researchers analyzed data on 3-phenoxybenzoic acid levels in urine samples collected from 2,116 adults aged 20 and over who participated in the United States National Health and Nutrition Examination Survey between 1999 and 2002. They cross-referenced mortality records to determine how many of those adults in their data sample had died by 2015 and of what cause.

They found that during an average 14 years of observation, those people who had the highest levels of 3-phenoxybenzoic acid in their urine samples were 56% more likely to have died of any cause by 2015 than people with the lowest levels of exposure. Cardiovascular disease was by far the leading cause of death, with a three times greater likelihood.

While Bao’s study did not determine how the subjects became exposed to pyrethroids, he says previous studies show that most exposure to pyrethroids is through food, as people who eat fruits and vegetables that have been sprayed with them ingest the chemical. Residential use of pyrethroids in gardens and homes for pest-control is also a significant source of exposure. Pyrethroids are also present in household dust in homes that apply these pesticides.

Bao notes that the market share of pyrethroid insecticides has increased since the 1999–2002 study period, which makes it likely the rate of cardiovascular disease-related deaths related to its exposure has increased, as well. However, Bao says, further investigation is needed to assess whether this hypothesis holds.

The paper, “Association Between Exposure to Pyrethroid Insecticides and Risk of All-Cause and Cause-Specific Mortality in the General US Adult Population,” was co-authored by Buyun Liu and Hans-Joachim Lehmler in the UI College of Public Health and Derek Simonsen, a UI graduate student in human toxicology. It was published in the Dec. 30, 2019, issue of JAMA Internal Medicine.

Filed Under: Published Papers

New Videos!

December 13, 2019 By Curnick, Jacqueline A

View some new content by the EHSRC!

This video focuses on how to read a Consumer Confidence Report:

 

We also have 5 videos of the Research Translation Mini Series, they can be viewed here.

 

Filed Under: News

2019 Iowa Climate Statement Released

September 19, 2019 By Curnick, Jacqueline A

Members of the EHSRC, along with partners from around the state, have released the 2019 Iowa Climate Change Statement, focusing on extreme heat and heatwaves.

View the statement document here 

View all of the Iowa Climate Change Statements from previous years here

Dr. Thorne and Dr. Schnoor at a press conference about Iowa Climate Change Statement
Dr. Peter Thorne (left) and Dr. Jerald Schnoor discuss the Iowa Climate Statement 2019 at a news conference Wednesday, Sept. 18, 2019, in Cedar Rapids. (Photo by James Q. Lynch/Gazette Des Moines Bureau)

 

Press Coverage of the Statement

Cedar Rapids Gazette- Iowa scientists, educators warn time running out to combat climate change

Radio Iowa- https://www.radioiowa.com/2019/09/18/iowa-climate-statement-dangerous-heat-events-will-be-more-frequent-and-severe/

KCRG TV- https://www.kcrg.com/content/news/Iowa-scientists-warn-about-extreme-heat-more-severe-weather-in-coming-decades-560741611.html

Des Moines Register, written by EHSRC Member Dr. Jerry Schnoor –

https://www.desmoinesregister.com/story/opinion/columnists/2019/09/16/we-must-act-quickly-minimize-damage-climate-emergency/2346043001/

Quad City Times- https://qctimes.com/muscatine/news/local/iowa-scientists-educators-warn-time-running-out-to-combat-climate/article_22905bd6-5f5b-5b5e-b63e-773eb6c02c9a.html

 

 

 

Filed Under: Published Papers

Upcoming events of EHSRC

September 4, 2019 By Curnick, Jacqueline A

We are excited to announce the dates for some of our regular EHSRC programs!

 

Human Toxicology and EHSRC Research Seminars:

Fridays at 10:45 am View info  here 

Research Translation Mini Seminar Series view poster here

Mini Seminar Series calendar poster download

Specific Aims Review Meetings:

View info here

Specific Aims review meetings are available upon request.

 

Science Cafes:

View here

Fall 2019 dates  are:

September 12- 5 pm in Mt. Vernon

September 17- 7 pm in Fairfield

October 17- 5 pm in Mt. Vernon

October 22- 7 pm in Fairfield

November 14- 5 pm in Mt. Vernon

November 19- 7 pm in Fairfield

Filed Under: Events

University of Iowa Receives $1.07 Million for Water Quality from EPA

August 22, 2019 By Curnick, Jacqueline A

Article by Ashley Murdie
U.S. Environmental Protection Agency (EPA)

(Lenexa, Kan., Aug. 14, 2019) – Today, the U.S. Environmental Protection Agency (EPA) announced the University of Iowa will receive a $1.07 million EPA Farmer to Farmer Cooperative Agreement to fund a project that improves water quality, habitat, and environmental education.

The University of Iowa will receive $1,064,926 for its project, “Connecting Rural and Peri-Urban Farmers to Demonstrate and Disseminate Innovative Nutrient and Sediment Reduction Practices.” The university will partner with rural farmers and urban consumers in Johnson and Iowa counties to demonstrate innovative nutrient and sediment reduction practices. To maximize the ability to demonstrate how practices perform through intensive water quality monitoring, this project will focus on oxbow lake restorations, alternative tile intakes, and nitrogen-removing wetlands and ponds. These practices also provide flood storage, which watershed residents have identified as a high priority.

“These Farmer to Farmer grants will promote innovative, market-based solutions for monitoring and improving water quality throughout the Gulf of Mexico watershed,” said EPA Administrator Andrew Wheeler. “These grants are an important part of our efforts to support America’s farmers in a manner that strengthens both American agriculture and the protection of our nation’s vital water resources.”

“Farmer to Farmer Cooperative Agreements directly support science and technology-based water quality initiatives needed to protect our watersheds, while also maintaining a vital agricultural economy,” said EPA Region 7 Administrator Jim Gulliford. “Here in Region 7, a combined $3.15 million in funding will support Iowa in the restoration and installation of wetlands, as well as the use of cover crops, to help provide measurable water quality improvement to waterways across Iowa and further downstream in the Gulf of Mexico.”

“The College of Engineering, Iowa Flood Center, and IIHR-Hydroscience & Engineering at the University of Iowa are excited to partner with rural farmers and urban consumers in Johnson and Iowa counties to demonstrate innovative nutrient and sediment reduction practices in Iowa,” said University of Iowa Vice President for Research Marty Scholtz. “This grant recognizes the university’s national leadership in water research. The $1.07 million from EPA will leverage watershed restoration funds from the $97 million Iowa Watershed Approach project to create measurable water quality improvements in stream segments within the Lower Iowa River watershed.”

A ceremony honoring the Iowa recipients took place today at the Iowa State Fair and was led by EPA Region 7 Administrator Gulliford. EPA anticipates awarding seven Gulf of Mexico Division cooperative agreements totaling more than $7.5 million to fund projects that improve water quality, habitat, and environmental education in the Gulf watershed.

EPA Region 7 Administrator Jim Gulliford (center) and Iowa Secretary of Agriculture Mike Naig (fourth from left) pose with 2019 Farmer to Farmer Cooperative Agreement recipients and EPA staff. Pictured, left to right: Danny Wiegand, EPA; Doug Jones, EPA; Jerry Binninger, EPA; Naig, Iowa Department of Agriculture and Land Stewardship; Gulliford, EPA; Alisha Bower, Practical Farmers of Iowa; Sarah Carlson, Practical Farmers of Iowa; Dr. Craig Just, University of Iowa; Troy Pierce, EPA; and Tripp Boone, EPA.

Background

Since 2018, approximately $9.5 million has been awarded to support novel or innovative agricultural techniques, methods or approaches through EPA’s Farmer to Farmer Cooperative Agreements. These projects support farmer-led and/or farmer-focused organizations with experience implementing programs and demonstration projects through collaboration with farmers. The projects will center around innovative monitoring systems that will measure and report field-scale water and nutrient dynamics to farmers in support of informed crop management decisions. The program supports science and technology-based water quality initiatives needed to protect watersheds while also maintaining a vital agricultural economy.

The Clean Water Act provides authority and resources that are essential to protecting water quality in the Gulf of Mexico and larger Mississippi River Basin. EPA’s regional offices and the Gulf of Mexico Division work with states to continue to maximize the efficiency and utility of water quality monitoring efforts for local managers by coordinating and standardizing state and federal water quality data collection activities in the Gulf region. Enhanced monitoring and research are needed in the Gulf Coast region to make data more readily available.

 

 

See article as posted on EPA website

Filed Under: Research Awards

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