Need another reason to eat organic?  Or at least pesticide-free?

In a study to be published this month, Israeli researchers examining the prevalence of Parkinson’s disease in the Wadi Ara Arab communities in northern Israel found an unusually high prevalence of the disease in the areas of Baqa al-Gharbiyeh. 

Baqa al-Gharbiyeh, an Arab community, has an incidence of 73.39 cases per 100,000 residents, in comparison to surrounding communities like Umm al-Fahm (34.84 cases), Kafr Qara (25.45), and Ara and Arara (18.45 cases).

The reason for this disparity, the researchers explain, is exposure to agricultural pesticides. Update: Later studies in the United States in 2014 show a direct link between DDE, a metabolite of DDT, and the brains of people who have Alzheimer’s.

Dr. Rafik Masalha, head of the epilepsy clinic at Soroka Medical Center in Be’er Sheva, explains: “In Baqa there is higher exposure to industrial agriculture, which includes the use of pesticides, and there are many more farmers compared to other communities in Wadi Ara, whose livelihood is more based on urban work or construction.

Pesticides in the brain

“It was proved that pesticides inhaled can affect the brain stem, which is responsible for the production of dopamine.”

Dopamine is a vital brain chemical. Deficiency causes Parkinson’s, a degenerative disease of the central nervous system that affects motor skills and speech.

According to the research, residents of Baqa al-Gharbiyeh are exposed to pesticides that are dumped by small airplanes. They may also be exposed to pesticides by drinking contaminated water, although the Israeli Ministry of Health says it has not recorded any unusual concentrations of pesticides in Baqa al-Gharbiyeh’s drinking water. 

A statement released by the Ministry read:

“The use of pesticides in Israel is reasonable and under supervision. Well water is examined routinely and meets the strictest standards set by the World Health Organization and the US health authorities. If pollution is found in a well, it is shut down. Pollution in wells as a result of pesticides is rare in Israel.”

To date, the Ministry of Health does not maintain a database on Parkinson’s patients, so this research is the first to discuss the disease within the context of community and environmental health.

In Turkey a researcher was threatened he would go to jail if he continued to talk about the link between industrial pollutants in his village and the high incidence of heavy metals in breast milk. If you live in the Middle East speaking up isn’t easy. Especially when your life is at stake. 

More on pesticides:
Turkey Bans 74 Pesticides for the EU
Make Bugs, Not Pesticides
Souls Wait for Heaven as Toxic Pesticides From Israel Pulled from Sunken Ferry

The post Parkinson’s in Arab Communities Linked to Pesticides appeared first on Green Prophet.

The army unit I served in (way back when) was featured in tonight’s news broadcast for having cancer levels more than twice as high as other infantry units.  Channel 2 TV (Arutz 2) reported this evening (video, in Hebrew) that IDF’s Nachal infantry had 2.5 as many Hodgkin’s Lymphoma cases than either Paratroopers or Golani, the two main “competitor” infantry units.  This raised echoes of an earlier cancer cluster in the Navy Seal commandos who trained in the polluted Kishon River.

Levels of Cancer: According to the report, the army medical corps ignored reports from casualty officers about cancer cases in the unit for 8 years, declaring that the data was insufficient and not deserving of comments.  An investigation was begun only in the past few months, including the IDF, the Health Ministry, and a group of independent expert consultants.  The results?

Lymphoma cancer cases in the Nachal were 2.5 times higher than in other infantry units, a statistically significant difference, and all types of cancers were also higher in this unit, according to Micha Bar Chana, the chief cancer scientist in the Health Ministry.

How much higher? Among soldiers – warriors in top physical condition – who served between 1994 and 2004, lymphoma cases were
7 among paratrooper and Golani soldiers
17 among the Nachal soldiers, 2.5 times greater.

For all forms of cancer, there were 58 cases in the Nachal, compared with 43 cases in Golani and 47 among paratroopers.

The challenge in dealing with comparing the occurrence of cancer is that the disease is rare in populations, so we have to deal with statistics of small and highly variable numbers. In this case, however, there is widespread agreement that
(1) this collection of cases is significantly higher than in comparable groups of infantry soldiers from similar backgrounds and life experiences, and
(2) the situation requires further investigation into the causes.

Possible Causes: Hodgkin’s Lymphoma can be caused (according to Professor Elihu Richter of Hebrew University’s School of Public Health) by environmental exposure to

(1)organophosphoric pesticides

(2)organic solvents

(3)radiation of various types

(4)viruses

It seems imperative to figure out what might have caused the cancer cluster among Nachal soldiers.  To do so, we have to look at the differences between Nachal service and other infantry units, and a possible link to the risk factors listed above.

One major difference between the units is the base where they do basic training, and this would be a natural place to start investigating environmental causes of cancer.  The Nachal base is located near Tel Arad, 25 km east of Beer Sheva, and 40 km northeast of the petrochemical factory and industrial waste area of Ramat Hovav.

area map of training base (A), Beer Sheva (B) , Ramat Hovav (C)

The base is adjacent to the Arad municipal sewage treatment ponds, which get sewage from the Arad industrial area.  From the map it is evident that the overflow from the ponds passes in the wadi (dry riverbed) just below the base.

local map of training base to the north of the sewage ponds

The (Questionable) Linkage: Now the channel 2 reporter starts to get creative:  The  municipal sewage ponds also include effluent from the industrial area, where some factories produce pesticides.  The army, they state, did not bother to check what was sent into the ponds, nor did it check what is in the sewage that flows towards the base.  Then they go a step further and check for themselves:  the reporter (not a certified sampler) is shown taking water samples from the pond and soil samples from the area (and, I should mention, in containers that cannot be used for analysis of organic solvents).  The horrifying conclusion?  Lab tests showed no violations of standards for pesticides or organic solvents – in other words, no indication of danger or risk.

However, they state, in the past there have been reports from the Environment Ministry of discharge violations from the factories in the industrial area, some of them into the sewage ponds.  The details were not disclosed due to considerations of trade secrets.

The IDF’s Response: The chief medical officer of the army responded in a recorded interview, stating that the army was looking into the possibility that there is a real Hodgkin’s disease cluster connected to the Nachal base, assisted by top experts including the Ministry of Health.  They are in the midst of exploring any connection to factors, environmental or otherwise, and so far have not found any link.  Finally, the officer emphasized that there is no basis to worry the public at this point, and that we should wait until the tests are finished

Exposure Analysis: Channel 2 is correct in claiming that the army took a long time to recognize the elevated levels of disease.  However, they are jumping the gun in appearing to claim that they have found the source of the disease in the sewage ponds.  Notice that they didn’t show a smoking gun – far from it.  They pointed at a possible source, took one measurement that showed that there was nothing there, and claimed that the Army had not looked into it.  The chance of problematic exposure of pesticides from the ponds is possible but, in my opinion, unlikely, since pesticides do not spread through the air and are now designed to break down quickly in the environment.  It is also unlikely, although it is possible, that the soldiers were rolling around in sewage mud that might theoretically have contained pesticides.

To summarize: the situation is much more complicated than the “obvious” solution raised by Channel 2, and jumping to conclusions is not productive.  All possibilities must be considered and tested, and that process cannot be rushed – but Channel 2 is absolutely correct that it cannot be ignored, and their pressure on the Army is certainly a positive influence.

In the Kishon Disaster, it was impossible to prove a scientific connection between the exposure in the river to the disease.  Even so, the judge and the Army agreed to recognize the affected soldiers as injured during duty, and to compensate them.  The serious health concerns must be taken in the context of the Kishon affair, and the plans to build a huge Army Base City 10 km from the highly hazardous Ramat Hovav area.  It is definitely possible that the cause of the apparent cluster will not be proven, due to our lack of knowledge about the connection between these diseases and exposure to environmental hazards.

The soldiers face enough hazards serving the country that they should not face preventable additional risks, and it is imperative to get to the bottom of this.  According to the report, the IDF is taking this seriously and working with the most qualified people in the field.

Links:

Photo: wikimedia commons, IDF

Maps: Google Earth

Channel 2 News report (Hebrew)

Kishon River Disaster

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The Israel Union for Environmental Defense (IUED) reported that yesterday (September 14) the Israeli government approved plans to place fish cages in the Ashdod harbor.  This marine agriculture initiative was removed from the Eilat harbor after a controversy over whether they were harming the coral reefs in the Bay of Eilat/Aqaba.  Without getting into the discussion over the situation in Eilat, which was covered extensively in any possible forum, no-one is arguing that the cages will harm the water quality in Ashdod port.

Quite the opposite.  Aside from the tremendous activity of large ships, which are a source of fuel and oil contamination, the harbor area includes a large industrial area with oil refineries, a power plant and Agan Chemicals, whose effluent reaches the harbor without passing through a treatment plant.  These effluents include such hazardous chemicals as pesticides, methanol, fuel mixtures, ammonia, disinfectants and more, which have accumulated in the port waters over the years.

These chemicals will accumulate in the tissues of the fish if they are present in the water, and may very well present a health hazard to the people who eat the fish.  Since the fish in the cages are raised for food, this presents a very probable threat to human health.

This decision was approved unanimously by a joint committee of the Prime Minister’s office and the ministries of Health, Agriculture and Environment, with only 48 hours advance notice. The basis for the plan was to provide jobs for the the workers of the fish farms, until land based facilities in the Arava can be built within 10 years.  According to the IUED, no testing was conducted to establish the levels of pollutants in the Asdod Harbor waters, and no professional opinion was presented by public health officials.  The IUED demands that the decision be postponed until the harbor is cleaned up and the water is certified to be clean.

It remains to the consumers of the fish to be aware where the fish come from and hope that the ministries of Health and Agriculture will supervise and test the fish to make sure that they are safe to eat.

IUED – Where do the fish swim? (Hebrew)

Ynet – The government approves: fish cages to be stationed in Ashdod harbor (Hebrew)

Photo credit: Eggybird, flickr.com

Don’t stop here, more fish farm and water health stories on Green Prophet:
Zalul’s Protecting the Lachish River
Regional Environmental Hazards and the Red-Dead Peace Conduit
The Water Crisis and the Electric Car

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