October 5, 2011

Chemical concerns should steer
families toward organic food

By Avery Yale Kamila akamila@mainetoday.com
Staff Writer

When Sally Struever was pregnant with her 9-month-old son, Jasper Eiermann, she made an effort to avoid the plastic chemical BPA and to eat food free of pesticides. An avid gardener, she tends two organic garden plots, preserves many of the vegetables for winter, and cooks the majority of her food from scratch, avoiding packaged and processed foods.

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According to the federal Environmental Protection Agency, more than 1 billion pounds of pesticides are sprayed in the U.S. each year. In Maine in 2000, the most recent year for which the Maine Board of Pesticides Control could provide figures, farmers and foresters applied more than 3 million pounds of pesticides.

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The Environmental Working Group publishes its Dirty Dozen guide each year listing the most pesticide-contaminated fruits and vegetables. EWG says if you can afford to buy only select organic foods, these are the ones to choose.

Her pediatrician even shared concerns with her that peanut allergies may be tied to the large quantities of pesticides applied to the legumes.

"Babies are so tiny, even small doses of things can have a big effect," said Struever, who lives in Portland with her husband, Peter Eiermann. "It just made sense to me to avoid pesticides as much as possible."

A growing body of research is backing up Struever's concerns. A study published in the June issue of the journal Pediatrics looked at the connection between prenatal pesticide exposure and a child's size at birth. By measuring pesticide residues in umbilical cord blood, the researchers found a link between prenatal pesticide exposure and babies with lower birth weights, shorter birth lengths and smaller head circumferences.

"The chemicals included in the present study are known to be environmental endocrine disrupters with the capacity to bind intracellular estrogen/androgen receptors and to alter levels of circulating thyroid hormones during pregnancy," the researchers wrote.

A number of past studies have revealed similar associations.

For instance, last year Pediatrics published a study that found children with higher concentrations of pesticide residues in their urine "were more likely to be diagnosed as having ADHD."

"It seems like, every other week almost, there's a major study implicating a class of pesticides in significant human disease or harm to the environment or wildlife," said Heather Spalding, associate director of the Maine Organic Farmers and Gardeners Association. "I do think it is raising concerns among the general population and expectant mothers in particular ... but what is unfortunate is that it doesn't seem to make a difference with policymakers. It shows the influence the chemical industry has."

During the latest legislative session, Maine lawmakers rolled back the public's access to information about pesticide applications by killing the state's pesticide notification registry. A bid to ban the cosmetic use of pesticides on school grounds failed in the same legislative session.

Officials from the American Chemistry Council declined to comment for this story. CropLife America, another trade organization that represents pesticide manufacturers, did not respond to a request for comment before deadline.

MAINE JOINS NATIONAL STUDY

Medical researchers in Maine are collecting data on pesticide exposure in local kids as part of the National Children's Study. Yarmouth pediatrician Laura Blaisdell is the lead physician heading up the study in Maine.

"Because there's such variability in pesticide compounds and exposure, it's hard to create robust, data-driven studies," Blaisdell said. The National Children's Study, which will follow children until the age of 21, will overcome these challenges and draw conclusions about chronic, low-level exposure to these chemicals, as well as many other health concerns.

The U.S. Environmental Protection Agency reports that more than 1 billion pounds of pesticides are sprayed in the U.S. each year. The agency's records show these chemicals result in between 10,000 and 20,000 people treated for pesticide poisoning annually. Most of these cases involve agricultural employees. Reports from numerous farmworker advocacy groups point to underreporting of pesticide poisonings by farm workers because of improper diagnoses, lack of access to doctors or the inability to pay for doctor visits, among other causes.

While California clocks in as the most pesticide-drenched state, Maine is no safe haven from these chemicals.

According to the Maine Board of Pesticides Control, which regulates pesticide usage, more than 6 million pounds of pesticides were applied on residential properties in the state in 2007, which represents a dramatic increase from 1995, when only 800,000 pounds of pesticides were applied around homes.

(Continued on page 2)

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