Who’s ready to take the Red Pill ?

Do you know the story from the Matrix starring Keanu Reeves?

“You take the blue pill, the story ends. You wake up in your bed and believe whatever you want to believe. You take the red pill, you stay in wonderland, and I show you how deep the rabbit hole goes.” -Morpheus to Neo

The term red pilll is defined as a human that is aware of the true nature of the Matrix (our world). I took the red pill. I am now in this with my eyes wide open. Before Oct 2013, I cleaned my house with regular chemicals and didn’t think twice, I sat on my couch and cuddled with my kids and didn’t think twice, and I sent my kids to school thinking they were in a safe environment and I didn’t think twice. Fast forward, just 6 months later and my eyes are wide open. I took the red pill. I check the labels on my cleaning products, I wonder if my couch has PBDEs and I know what needs to be done to our beloved MHS and elementary schools to ensure our children are in a safe environment.

No one told me that if I take the red pill there is no way out. That red pill must be connected to our moral compass and now I am in it for the long hall. I don’t see a way out, I only see opportunities to make our world healthier and safer. Someone told me that it is my turn to become a steward of our environment. I wasn’t sure what that would entail, but for my kids; all of our kids, I will gladly find out.

Recently at a basketball game at MHS, a fellow parent asked me if I regret getting involved with this issue at MHS because of the time commitment and road blocks. Of course I said no right away :) And I really don’t regret it at all. But as I thought more about it, I realized that you never know when or who will call on you to join something that matters and that is bigger then yourself; and for me this is one of those times. I am not sure how deep the rabbit hole goes… but I am in for better or for worse. But with all you, the amazing people that are in this with me, I know it will be for the better; not just for Malibu schools, but I hope for all schools in California and across the Country.

Who’s ready to take the red pill?

Please check out this award winning short video from HealthyChild.org, not only is it beautifully done, but it is eye-opening. I hope you enjoy it.

Warmest Regards,

Jennifer deNicola

MOST DEFINITELY HYSTERICAL

MOST DEFINITELY HYSTERICAL

(letter to the editor in response to Arnold York’s The Politics of Hysteria article on March 19, 2014)

MOST DEFINITELY HYSTERICAL

I am a parent of a 6th grader at Malibu High School.  Last October, I attended a standing-room-only meeting led by district superintendent, Sandra Lyon, who promised the families of Malibu High that she would do all she could to fix the problem (that was identified back in 2009) in a timely manner.  Now, it’s the end of March, and the problem is not even close to being fixed, despite the fact that the district’s initial testing triggered the EPA’s regulatory control which meant a federal government agency had to be brought into the mix and we still, to date, don’t know how widespread the PCB contamination is.  I am not a researcher.  I’m a mom with a fierce desire to keep my family safe.  Despite my non-scientist status, here’s what I know.  I know that toxins are not just up at Malibu High; they are everywhere.  I know that the air we breathe, the ocean and pools we swim in, the food we ingest and the water we drink and bathe in have toxins.  The chemicals in our deodorant, make-up, lotions, perfumes, cleaners, detergents; the list goes on and on; also are increasing our toxin load.  I know that a toxin does not stand-alone.  It combines with all the other toxins we’ve encountered over our lifetime, resulting in cumulative damage.  You know what else I know?  I know that when I was eight months pregnant, I began having gran mal seizures, seemingly out of nowhere.  “Out of nowhere” became a brain tumor.  And when that tumor was removed and biopsied, it was a Grade Four Glioblastoma.  Not to sound trite, but there is no Grade Five.  I thought I wouldn’t live to see my child walk.  Given that there is no genetic link when it comes to brain tumors, I began to live a cleaner, less toxin-filled life. Eleven years later, I’m alive and have a beautiful kid, who I look at and think of all the things I can’t control that heighten her toxin load.  But the things I can control – like the possible contamination up at the high school, where she spends a minimum of 35 hours a week, August through June – I want answers and I want them now.  So when someone says to me that I am “governed by the politics of hysteria,” I nod my head, agreeing that, when it comes to my kid and her health, I am most definitely hysterical.

 

I am encouraged by the latest announcement from our district representatives re: the testing of MHS and JCES.  The district has heard our voices, but we must continue to speak up with vigilance.  Malibu Unites helps us do this as a cohesive group. This isn’t just a school issue; it’s a community issue.  If you live up by the high school, if you play on their fields, even if you just walk your dog around their track, we need you to speak up.  Please join Malibu Unites at AmericaUnites.com, like them on Facebook at Malibu Unites and follow them on Twitter @MalibuUnites.

 

Sky Kunerth

Mother and Malibu Unites Advocate

Click Here to See Arnold York’s Article

 

 

 

Paramus New Jersey soil contamination cover-up

Paramus New Jersey soil contamination cover-up

Controversies

In late May 2007, The Record, [a local paper] broke a story in which Paramus Public School officials knowingly failed to report the presence of the banned pesticides aldrin, dieldrin and chlordane on the campus of Westbrook, a middle school in the system. Responding to local outrage, the superintendent, Janice Dime, assured in a letter addressed to the public that the chemicals were not hazardous, however, town mayor, James Tedesco described Dime’s statement as being either misinformed or deliberately misleading. Because of public pressure, on June, 06, 2007, the district’s board of education placed Janice Dime on an extended leave and shut down Westbrook Middle School for decontamination and testing. On June 13, test results done by a town contracted firm revealed that two of the thirty tested areas on campus had levels of chlordane that exceeded state safety standards. Still, officials and specialists are pushing for more tests. Since the incident more soil tests have been conducted around the area and in other parts of Paramus, with some yielding positive for excessive presence of pesticide. Westbrook has been decontaminated and reopened to students, while Janice Dime has resigned from her position as superintendent.

In comparison, in 2011, Malibu High School had over 1000 tons of soil removed and Paramus had 40 tons of soil removed. Chlordane was the most toxic of the pesticides found in both Malibu and in Paramus. In Paramus the district hid their toxin issue for four months and in Malibu the district hid it for 4 years.

Paramus, NJ implemented the Precautionary Principal to handle their contamination issue. The City of Malibu and SMMUSD should both adopt this principal.

Parents Want Independent Expert for Malibu High Testing

Parents criticize school district for dragging feet, lack of transparency.

Posted: Wednesday, March 26, 2014 7:30 am

By Knowles Adkisson

Roughly 50 Malibu High School parents and students representing a new advocacy organization scolded the Santa Monica-Malibu board of education (BOE) last week for taking too much time to test for toxins on the school’s campus, and demanded a role in the testing. la weekly crowd

The group, called Malibu Unites, said the district’s response since the presence of toxins were revealed in October had engendered distrust in the Malibu community, and requested that an independent expert be hired to verify testing results.

“We will never be able to remove the cloud of suspicion and concern that surrounds the campus unless people trust the results of the testing and the people trust the results of the remediation [cleanup],” said Malibu Unites President Jennifer DeNicola, a mother of two children. “The district cannot expect to achieve this trust unless the testing and the remediation are done timely, transparently and are verifiable.”

PCBs, lead and other toxins were discovered in the Malibu Middle School quad during an environmental review of the campus in 2010, but the district did not widely inform parents of remediation work performed in 2011 to remove the contaminated soil. Some teachers at the campus believe the toxins may be responsible for a series of health issues among the staff, including several cases of thyroid cancer.

The issue of communication between the BOE, which consists of Santa Monica residents, and the Malibu community, was brought up several times, including by Malibu City Councilman John Sibert. Boardmembers defended the district’s response to findings of elevated toxins on campus, arguing that continued emails to parents from Supt. Sandra Lyon and updates on the high school website had kept parents informed.

“We’re a little bit baffled about what suggestions you might have about communications, because I do think our superintendent has been doing her best about communication,” Boardmember Laurie Lieberman told Sibert. “[She has] been putting out weekly updates.”

Sibert suggested sharing the latest information about the testing process on the City of Malibu’s website, and several boardmembers said the city could easily take information from its own website.

They also said making sure testing met standards from state and local government agencies explained why contaminated soils had not yet been tested after health concerns raised by some MHS teachers were first made public in early October.

The district conducted air testing of classrooms over winter break in the main middle school building, through previous consultant the Phylmar Group, but has yet to test soil on the campus. It plans to have the soil tested by Environ, an environmental consultant hired after the district parted ways with Phylmar, and the state’s Department of Toxic Substances (DTSC) as well as the Environmental Protection Agency (EPA) are also involved.

In a prepared statement before public comment, Lyon said the district continues to hear a “lot of criticism about reporting and communication that was done during initial investigations.”

However, she said that while she knows “how frustrated everyone is,” working with both Environ, state and federal authorities, “we can’t be [both] quick and thorough.”

DeNicola requested the district hire an independent environmental expert, chosen by Malibu Unites, who would work alongside Environ, the EPA and the DTSC. The contractor would be granted access to all environmental reports, raw data and input on testing protocol. DeNicola also requested the district expand its scope to include tests for air, soil, water and dust testing at the campuses of Juan Cabrillo Elementary School, Malibu High School and Malibu Middle School.

When Boardmember Oscar de la Torre asked DeNicola if she was requesting the district pay for the independent expert and the extra testing, DeNicola responded that “we have a couple of different choices, but what we’re asking is that you set aside funds.”

Later, de la Torre also asked Malibu City Councilmember Laura Rosenthal, who spoke on the issue, to comment on whether the City of Malibu would be willing to contribute funds toward the independent expert.

“I would need to look at that,” Rosenthal responded. “I know the parents, always open to looking at that and vetting that at the city council level.”

 

District, parents clash over transparency

Chris Bashaw, Assistant Editor
1:46 pm PDT March 24, 2014la weekly crowd

Communication, trust and transparency became central themes during the public comment portion of the Santa Monica-Malibu Unified School District Board of Education Meeting on Thursday, March 20, at Malibu City Hall.
The Malibu City Council Chambers filled near its capacity with Malibu residents concerned about the District’s handling of the polychlorinated biphenyl (PCB) contamination affecting Malibu schools.
More than two hours were devoted to discussing the issue, although it was not on the Board’s agenda for that night.
The contention resulting from the issue has strained, if not tainted, relations between Malibu parents and the District. In the past, Malibu residents have criticized the District’s handling of the issue in terms of lacking in proper communication and transparency, as well as the scope of testing proposed to be performed.
“The keys to success are full-scale testing, full transparency and real-time communication,” said Matt DeNicola, a Malibu parent, during his public comment time. “This is 2014: I can find out when the bus isn’t going to be on time, but I can’t figure what’s going on with the high school toxin
levels.”
DeNicola also criticized the District’s spending of $500,000 on the issue, saying, “we are in no better place than we were in October of 2013.”
To date, the District has entered into an agreement with environmental engineering firm Environ International Corporation to develop a testing and cleanup plan, under the oversight of the California Department of Toxic Substances Control, but a plan or timeline has yet to be developed.
“I’m talking to Environ about getting that plan done and we are working with the EPA and the DTSC, so please know that if we could test right now and have a plan, we would do it,” SMMUSD superintendent Sandra Lyon said. “One of the things we’ve heard from the community is to make sure it’s thorough, and we are doing that.”
Jennifer DeNicola – who served as a parent representative on the Malibu Schools Environmental Task Force that originally investigated the PCB contamination issue at Malibu High School – criticized what she said was the District’s lack of urgency regarding the issue.
“It took them about two months to make a contract, [with Environ] and that’s two months of our kids and teachers going to school and nothing getting done,” she said. “I’m upset about the timeline and the fact that there’s no transparency or sense of urgency.”
Jennifer also used her public comment time to convey that Malibu Unites, a newly formed nonprofit advocacy group, wished to hire its own third-party remediation contractor that would work with the District, Environ and the DTSC to assist in the planning, testing and cleanup procedures.
It’s a move that Jennifer said could rebuild lost trust between parents and the District by ensuring the accuracy and diligence of testing and cleanup. “The only way [the District] can rebuild trust is to get an independent expert that represents the parents and teachers,” Jennifer said. “Having somebody that is advocating for our position, to ensure everything is done accurately and it’s done properly and comprehensively is vital to building trust and knowing our schools are safe.”
Board member Laurie Lieberman – defending Lyon and the District – said parents, a teacher and a scientist working for the City of Malibu were included in the interview panel that selected Environ, and said she felt claims of a lack of transparency were without merit.
“This was a very transparent process, and the group came to an agreement to hire this particular firm [Environ],” Lieberman said. “I want you all to be reassured that the process has been transparent and the concerns about that, I think, shouldn’t exist and are somewhat disingenuous.”
Lieberman also called for an end to “allegations of conspiracy and incompetence” directed at Lyon and the District, which she said are “unfounded and border on slanderous and libelous . . . they’re simply not getting us anywhere and aren’t helping us create a transparent, collaborative and communicative process.”
Lieberman, however, suggested the District review its communication processes, especially in terms of how it reacts to toxic contamination issues that may arise at its other schools. “While we have followed policy here and have followed what is required in the state . . . I think we should at least look at and examine those requirements and see if we should have some other kind of requirements for notification,” she said.

Malibu High School Parents Demand a Role in Toxins Testing & Cleanup

Malibu High School Parents Demand a Role in Toxins Testing and Cleanup

By 

Fri, Mar 21, 2014 at 4:39 PM
la weekly

  • Jennifer deNicola of Malibu Unites for Healthy Schools demands a role for parents in toxin testing.

Reiterating their distrust toward the Santa Monica-Malibu Unified School District, and pressing hard for new toxins testing at Malibu High School, 50 parents and students last night floated a plan to choose their own environmental testing expert – who would work alongside the district-appointed environmental firm, Environ.

Controversy has gripped the pricey coastal community since October, when it was reported that Malibu school officials had failed to fully alert parents or teachers to toxins unearthed at the high school during a 2010 environmental review. The toxins – including PCB’s, chlordane, arsenic, lead and others – prompted the school district to order major soil removal in 2011. Some critics claim the toxins caused numerous ailments and even cancer among teachers and students.

la weekly crowd
  • A Malibu crowd at the SMMUSD Board of Education on March 20 demands answers.

Environ is now working under the supervision of the federal Environmental Protection Agency Region 9 and the California Department of Toxic Substances Control to ascertain if the high school property is safe.

But outspoken critics of the district’s past behavior say that’s not good enough.

A new group of parents, teachers, medical and scientific advisors, calling itself Malibu Unites for Healthy Schools, has launched a website at www.AmericaUnites.com and is seeking direct input into the toxins-testing process and any cleanup that may be needed.

Jennifer deNicola, president of Malibu Unites, told the board:

“The current process you have in place for the community and parents to verify the accuracy of the district’s work will create a stigma that will taint the campus for years to come. It is in everyone’s best interest to remove that stigma, which can only occur if the affected community can verify the testing, the results of the testing and remediation with their own expert.”

DeNicola says her group has interviewed environmental firms and is still seeking its own outside expert. They’re also demanding that the district communicate with them promptly, practice full transparency and that their group be given immediate access to raw information, the results of comprehensive testing and any identification made of the possible source of the toxins.

More than a dozen parents voiced their concern to the board and to Malibu City Councilmember John Sibert and Hamish Patterson, a candidate for city council.

Patterson told LA Weekly:

“I think it’s real simple … that testing must commence, that’s just phase one of everything getting alright. If the test showed that it’s a clean bill of health, then everything is alright. But if it’s not, it opens up a Pandora’s Box of remediation. How are you going to handle that, what are we going to do with our kids? And I think that’s why the school district’s been dragging its feet, and the city council’s been dragging its feet and the teachers union’s been dragging their feet. And when they say they’ve only known for six months, that’s not true at all. When is it alright? When people stop lying to a community.”

DeNicola says, “We are moving forward and we are doing it in a positive way.”

The Weekly reported earlier this week that while some Malibu residents fear that chemicals found in soil and window putty at the school may have caused thyroid cancer among three teachers, such fears may be unfounded.

The National Cancer Institute and many other cancer experts agree that the only known environmental cause of thyroid cancer is radiation. No radiation source has been found at Malibu High School, and most thyroid cancer is believed by scientists to be hereditary.

The newspaper also quoted thyroid cancer expert Marcia Brose, director of the Thyroid Cancer Therapeutics Program at the University of Pennsylvania, who says thyroid cancer is very common and, “it’s not surprising that you might discover some people who have had thyroid cancer, and they might know somebody [who has it] nearby. Unless there’s really clear radiation risks in the area, I don’t think that there’s any evidence for thinking that their thyroid cancer is caused by an environmental toxin, particularly.”

Brose also adds, however, that science is always discovering new connections, “So never say never.”

EPA senior policy analyst Hugh Kaufman in Washington, D.C., an outspoken critic of the way Malibu High School officials and school district leaders have conducted themselves, noted that Brose has in the past worked as a consultant to Bayer, a producer of chemicals.

Kaufman says there is room to challenge the conventional wisdom among scientists and cancer institutes. Kaufman notes that some peer-reviewed research into people who lived or worked around high levels of PCBs and other toxins shows that they may be susceptible to some forms of thyroid disease – such as goiter and overactive and under-active thyroids.

One peer-reviewed study by Lawrence M. Schell, Mia V. Gallo, Melinda Denham and others, for instance, notes that “It is well documented that acute exposure to high levels of persistent organic pollutants, such as polychlorinated biphenyls (PCBs), p,p′-dichlorophenyldichloroethylene (p,p′-DDE), and hexachlorobenzene (HCB), can affect human health including thyroid function.”

Press Release 3-14-14

For Immediate Release

DTSC AGREES TO PERFORM COMPREHENSIVE SOIL TESTING

AT MHS AND JUAN CABRILLO

 Major Victory for Malibu Community

 Malibu, March 14, 2014 – A recent email from the California Department of Toxic Substance Control (DTSC) to Malibu Unites President, Jennifer deNicola, states that the DTSC will perform comprehensive soil testing on the three Malibu school campuses under investigation for toxic and hazardous substances. In 2011, over 1000 tons of contaminated soil was removed from the Malibu High campus. Since October 2013, parent advocates and teachers have been pressing for comprehensive testing of the entire, yet the district would not commit in writing to comprehensive soil testing, nor have they tested any of the soil since 2013.

In an email, Maria Gillette of the DTSC stated the DTSC “is proposing to conduct a Preliminary Environmental Assessment (PEA) for the soil at the entire Malibu HS Campus (including the Middle and Elementary Schools).” She went on to say that the DTSC’s soil sampling effort would be more comprehensive than the work Arcadis conducted in 2010. (a copy of this email can be found at http://AmericaUnites.com/dtsc-agrees-to-test-soil-at-all-3-campuses/)

Arcadis was the environmental firm hired by the Santa Monica Malibu Unified School District to conduct a site assessment for MHS renovations under Measure BB. This assessment revealed the presence of multiple contaminants in the soil, including hazardous levels of such toxins as polychlorinated biphenyls (PCBs), volatile organic chemicals (VOCs), chlordane, DDT, DDE, arsenic, and lead. Arcadis stated, “Pesticides and PCBs were present…at concentrations that presented an unacceptable health risk.” Arcadis removed more than 1,000 cubic tons of contaminated soil from campus in the summer of 2011. The source of the toxins is still unknown.

Malibu Unites, a non-profit advocacy group of parents, teachers and community members will continue to work with the district and state regulatory agencies to ensure that this comprehensive testing is done efficiently, properly and with agreed upon detection limits.

“Expert oversight, independent from the district, will be critical to ensuring accurate and unbiased test results,” says Jennifer deNicola. “We are currently working with experts to determine independent testing protocols and acceptable detection limits to ensure the health and safety of students and teachers.”

Malibu Unites was founded 2014 to bring the local community together in service of a common goal: to understand the extent of contamination on campus and fully remediate to protect our children and those who educate them. To learn more, visit our web site at www.AmericaUnites.com.

Officials agree to test soil at Malibu schools

Sam Pearson, E&E reporter

Published: Wednesday, March 19, 2014

Months of back-and-forth over suspected soil pollution at some of California’s choicest public schools may be coming to an end.

The state’s Department of Toxic Substances Control has proposed conducting comprehensive soil testing at three adjacent Malibu schools where teachers, Public Employees for Environmental Responsibility and other groups have been sounding the alarm since last year that troublesome chemical problems were present at the sites that overlook the Pacific Ocean.

Santa Monica-Malibu Unified School District Superintendent Sandra Lyon, who the community groups had harshly criticized for not doing more to inform them of the cleanup status, directed the district’s environmental consultant Environ to work with state officials to develop a cleanup plan. The contractor will present its recommendations at public Board of Education meetings, Lyon wrote to PEER late last month. Lyon formally notified the board of her decision at a meeting last week.

In an email sent to a community group, Department of Toxic Substances Control environmental scientist Maria Gillette said the agency had proposed conducting a soil sampling effort similar to “but more comprehensive” than an earlier sampling performed by a contractor at the school sites in 2011. The testing would likely include a search for PCBs, pesticides, metals and volatile organic compounds at Malibu middle and high schools, as well as adjacent Juan Cabrillo Elementary School, Gillette wrote.

The 2011 testing, performed by a contractor working on a renovation project, found organochlorine pesticides, lead, arsenic, cadmium, benzene and toluene in areas of the schools, prompting a growing community outcry for more information.

Some groups, including PEER, raised the possibility that the contamination was due to past World War II-era military installations in the area, which were once fairly common along the California coast (E&ENews PM, Feb. 25). But the Army Corps of Engineers has no records of former military sites in the immediate vicinity of the schools, Defense Department spokesman Dave Foster said.

While the Malibu case is getting attention because of its exclusive ZIP code, PCB contamination is a widespread problem throughout the country in schools built between 1950 and 1979, Gillette said. Indeed, PCBs have been some of the most common contaminants in U.S. school buildings.

U.S. EPA last year issued guidance to schools on PCB cleanup methods after more than 150 incidents of PCB contamination at schools in New York and New Jersey alone in the previous 15 months (E&ENews PM, Dec. 12, 2013).

A lawsuit brought in New York City by the group New York Communities for Change found between 800 and 1,400 city school buildings had PCB-containing ballasts, and the city has been implementing a cleanup plan estimated to cost $700 million to $1 billion (Greenwire, May 22, 2013).

The process also has helped a group of Malibu teachers organize with the assistance of PEER. The residents, calling themselves Malibu Unites, list dozens of supporters on their newly built website, including prominent celebrities who live in the area, like actor Martin Sheen, his wife, Janet, and their son actor Emilio Estevez. Model Cindy Crawford, who owns two beachfront homes in Malibu, also signed on as a supporter.

A group of teachers at the schools last year wrote to the district, calling for more investigation into the toxic contaminants thought to be at the site, suspecting that a series of health problems among staff members may be tied to harmful chemicals in their workplace (Greenwire, Nov. 26, 2013).

The group this week signaled it would shift its efforts to ensure the tests were performed properly.

“We need to do a thorough investigation of all three campuses in order to determine an accurate cumulative risk so that we can protect our children and teachers and ensure they are in a healthy, clean and safe environment,” Malibu Unites’ president, Jennifer deNicola, said in a statement.

Malibu Unites Urges SMMUSD to Make Public Comment Early for Parents

Malibu Unites Urges SMMUSD to Make Public Comment Early for Parents

March 18, 2014

Dear SMMUSD:

I have requested to you numerous times in the past, and I do so again, to move public comment to a scheduled time of 6:30-7:30pm. This gives the board about an hour to do business and then gives your constituents a specific time to be heard, so they can plan accordingly with their children that attend school in the morning. Hearing from your parents, students and community members is imperative and you have many concerned parents with several important issues.It is a parent’s responsibility to prepare our children for school the next day and get them to bed and you can not expect parents to wait until some random time after you are finished doing your business to speak. It is the boards job to listen to their constituents and advocate for them, and the only way to do that is to hear what we have to say. It is better to hear concerns up front rather than complaints after mistakes are made, which cost precious time and money.

Community voice should be of the utmost importance to you and this is your opportunity to hear it. If you wait until 8:30 or later you will lose the parents just like you did at the last Malibu meeting concerning district wide funding.

Please make public comment a permanently scheduled time at 6:30 to accommodate parents who have family’s and children they must attend to in the evenings.

Thank you,

Jennifer DeNicola

DDT exposure more common in people with Alzheimer’s

Rutgers researchers are studying a link between the pesticide – which was banned in the U.S. decades ago but is still used elsewhere in the world – and the degenerative brain disease

REUTERS

People who had been exposed to the pesticide DDT were more likely to have Alzheimer’s disease than those with no traces of the chemical in their blood, researchers found in a new study.

The observation doesn’t prove DDT causes Alzheimer’s, or that people who have been exposed to the chemical will develop the degenerative brain disease, they said.

But in the complex picture of Alzheimer’s – which has many potential genetic and lifestyle contributors – this may be one more piece to consider, according to lead author Jason Richardson.

“If there was a single environmental factor that was contributing to any (neurologic) diseases … that kind of thing is very easy to find. That’s not what we’re saying here,” said Richardson, from the Rutgers Robert Wood Johnson Medical School in Piscataway, New Jersey.

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“More than likely you’re looking at complex gene-environment interactions. What we found really gives us a starting off point,” he told Reuters Health. “Now we can use that information to try to understand who is at risk, when and ultimately, why.”

DDT was banned in the U.S. in the 1970s, but is still used in some other countries. The World Health Organization supports using the pesticide to help eradicate malaria under certain circumstances.

In a prior small study, Richardson and colleagues had found levels of DDE – a broken-down form of DDT – were higher than usual in the blood of people with Alzheimer’s disease.

To learn more, they analyzed blood samples from 86 people with Alzheimer’s and 79 people without the disease.

RELATED: VITAMIN E MAY SLOW EARLY ALZHEIMER’S PROGRESSION

On average, DDE levels were almost four times higher among people with Alzheimer’s than in the comparison group, the researchers found. DDE was detected at any level in 80 percent of people with Alzheimer’s and in 70 percent of people without Alzheimer’s, according to findings published in JAMA Neurology.

A follow-up lab experiment suggested that DDE increases levels of a protein that is known to result in the brain plaques seen in Alzheimer’s patients, Richardson said.

But that still leaves many questions unanswered, he noted.

“Obviously we want to replicate this with a much larger number of samples and people,” Richardson said.

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The researchers also plan to explore DDE in other populations, since the participants in this study were generally patients at Alzheimer’s treatment centers and their family members.

Alzheimer’s disease researcher Kathleen Hayden of Duke University in Durham, North Carolina, said studies that measure DDE levels in large groups of healthy people would also be helpful. “We’d want to follow people prospectively and see whether or not they develop dementia,” Hayden, who wasn’t involved in the new study, told Reuters Health.

In an editorial, two neurologists point out there are no data to suggest that regions of the world where people have very high levels of DDE also have more Alzheimer’s disease.

“These conclusions should be considered as preliminary until there is independent confirmation in other populations,” write Dr. Steven T. DeKosky of the University of Virginia School of Medicine in Charlottesville and Dr. Sam Gandy from the Mount Sinai Alzheimer’s Disease Research Center in New York.

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For now, calling DDE a marker for who is at risk of Alzheimer’s is “going just a step too far,” Hayden agreed.

“DDT exposure is not destiny that you’re definitely going to get Alzheimer’s disease. These are things that might increase your risk,” she said.

Still, she thinks there is reason to be wary of DDT and related pesticides.

“These agents affect the central nervous system. That’s a reason why they should be of interest to people who study neurodegenerative diseases,” Hayden said.

“For myself, I’m concerned that pesticides are used in such abundance these days, and we don’t really know what the effects of these things are, long term.”