Friday, July 11, 2014 5:10:07 PM
Monsanto’s ‘Roundup’ weedkiller may be causing kidney failure in farmworkers: study
[Farmer spraying pesticide on Shutterstock]
By Tom Boggioni
Friday, July 11, 2014 15:01 EDT
Researchers looking into the cause of a chronic kidney disease epidemic which has devastated farm-workers in Central America, India and Sri Lanka [ http://www.npr.org/blogs/health/2014/04/30/306907097/mysterious-kidney-disease-slays-farmworkers-in-central-america ] may have found their culprit in a commonly-used herbicide manufactured by Monsanto, according to Truthout.
[ http://truth-out.org/news/item/24876-monsantos-herbicide-linked-to-fatal-kidney-disease-epidemic-will-ckdu-topple-monsanto ]
According to a study conducted by three Sri Lankan scientists, glyphosate, an ingredient used in herbicide Roundup may be behind a disease known as CKDu; Chronic Kidney Disease. The ‘u’ in the name indicates a variation from other chronic kidney diseases where the cause is known.
CKDu is now the second leading cause of death among men in El Salvador, a small country with the highest overall mortality rate from kidney disease in the world. In neighboring El Salvador and Nicaragua, more men die from CKDu than from HIV/AIDS, diabetes, and leukemia combined.
In one area of rural Nicaragua, so many men have died that the community is called “The Island of the Widows.”
In Sri Lanka, over 20,000 people have died from CKDu in the past two decades, leading the researchers to match the time frame to the introduction of new herbicides into the region.
Dr. Channa Jayasumana, and his colleagues, Dr. Sarath Gunatilake and Dr. Priyantha Senanayake, have put forward a unifying hypothesis [ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3945589/ ] attempting to explain the origin of the disease, asserting that the offending agent had to have been introduced into Sri Lanka within the last 30 years, lining up with the appearance of the first CKDu cases appearing in the mid-1990s.
Looking for likely suspects, the researchers repeatedly came back to glyphosate, a herbicide used in abundance in Sri Lanka.
Earlier studies had shown that once glyphosate binds with metals, the glyphosate-metal complex can last for decades in the soil. A glyphosate-heavy metal complex can enter the human body in a variety of ways, including ingestion, inhalation or absorption through the skin. Avoiding detection by the liver, the glyphosate-heavy metal complex reaches the kidney tubules, where cadmium or arsenic that has bonded to the glyphosate can damage the kidney tubules and other parts of the kidneys, resulting in kidney failure and, often, death.
At this point the Sri Lankan scientist’s theory can only be considered hypothesis-generating and further scientific studies will need to confirm the hypothesis that CKDu is indeed due to glyphosate-heavy metal toxicity to kidneys.
Monsanto, continues to back the safety and usage of glyphosate which is the world’s largest selling herbicide.
It should be noted that most of Monsanto’s genetically modified seeds, including soy, corn, canola, alfalfa, cotton, sugar beets and sorghum, are glyphosate resistant.
http://www.rawstory.com/rs/2014/07/11/monsantos-roundup-weedkiller-may-be-causing-kidney-failure-in-farmworkers-study/
[Farmer spraying pesticide on Shutterstock]
By Tom Boggioni
Friday, July 11, 2014 15:01 EDT
Researchers looking into the cause of a chronic kidney disease epidemic which has devastated farm-workers in Central America, India and Sri Lanka [ http://www.npr.org/blogs/health/2014/04/30/306907097/mysterious-kidney-disease-slays-farmworkers-in-central-america ] may have found their culprit in a commonly-used herbicide manufactured by Monsanto, according to Truthout.
[ http://truth-out.org/news/item/24876-monsantos-herbicide-linked-to-fatal-kidney-disease-epidemic-will-ckdu-topple-monsanto ]
According to a study conducted by three Sri Lankan scientists, glyphosate, an ingredient used in herbicide Roundup may be behind a disease known as CKDu; Chronic Kidney Disease. The ‘u’ in the name indicates a variation from other chronic kidney diseases where the cause is known.
CKDu is now the second leading cause of death among men in El Salvador, a small country with the highest overall mortality rate from kidney disease in the world. In neighboring El Salvador and Nicaragua, more men die from CKDu than from HIV/AIDS, diabetes, and leukemia combined.
In one area of rural Nicaragua, so many men have died that the community is called “The Island of the Widows.”
In Sri Lanka, over 20,000 people have died from CKDu in the past two decades, leading the researchers to match the time frame to the introduction of new herbicides into the region.
Dr. Channa Jayasumana, and his colleagues, Dr. Sarath Gunatilake and Dr. Priyantha Senanayake, have put forward a unifying hypothesis [ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3945589/ ] attempting to explain the origin of the disease, asserting that the offending agent had to have been introduced into Sri Lanka within the last 30 years, lining up with the appearance of the first CKDu cases appearing in the mid-1990s.
Looking for likely suspects, the researchers repeatedly came back to glyphosate, a herbicide used in abundance in Sri Lanka.
Earlier studies had shown that once glyphosate binds with metals, the glyphosate-metal complex can last for decades in the soil. A glyphosate-heavy metal complex can enter the human body in a variety of ways, including ingestion, inhalation or absorption through the skin. Avoiding detection by the liver, the glyphosate-heavy metal complex reaches the kidney tubules, where cadmium or arsenic that has bonded to the glyphosate can damage the kidney tubules and other parts of the kidneys, resulting in kidney failure and, often, death.
At this point the Sri Lankan scientist’s theory can only be considered hypothesis-generating and further scientific studies will need to confirm the hypothesis that CKDu is indeed due to glyphosate-heavy metal toxicity to kidneys.
Monsanto, continues to back the safety and usage of glyphosate which is the world’s largest selling herbicide.
It should be noted that most of Monsanto’s genetically modified seeds, including soy, corn, canola, alfalfa, cotton, sugar beets and sorghum, are glyphosate resistant.
http://www.rawstory.com/rs/2014/07/11/monsantos-roundup-weedkiller-may-be-causing-kidney-failure-in-farmworkers-study/
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