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Accumulation of Heavy Metals in People on a Gluten-Free Diet

Discussion in 'Other Health News and Research' started by TrixieStix, Mar 20, 2017.

  1. TrixieStix

    TrixieStix Senior Member

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    Newly released study...

    https://www.ncbi.nlm.nih.gov/pubmed/28223206

    "Conclusion: In an analysis of data collected from NHANES, persons on a GFD have significantly higher urine levels of total arsenic and blood levels of mercury, lead, and cadmium than persons not avoiding gluten. Studies are needed to determine the long-term effects of accumulation of these elements in persons on a GFD."

    Another study released back in 2015 showed elevated Mercury levels in people eating a GFD.

    https://www.ncbi.nlm.nih.gov/pubmed/25802516

    "Conclusion: Data demonstrate a fourfold increase of mercury blood levels in celiac patients following a gluten-free diet. Further studies are needed to clarify its role in celiac mechanism.


    Doesn't seem too surprising to me knowing that many gluten-free bread products, snacks, and sweets contain rice flour, rice sweeteners, etc. Rice is known to contain higher levels of heavy metals. I wonder though if people who eat a GFD eat more fish though than other people as rice and fish were the 2 items mentioned in the new study?
     
    Last edited: Mar 20, 2017
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  2. A.B.

    A.B. Senior Member

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    Does a gluten free diet cause heavy metal accumulation, or does heavy metal accumulation cause a gluten free diet?
     
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  3. adelheid55

    adelheid55 Senior Member

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    Is Rice from the whole food shop also containing heavy metals?
     
  4. adreno

    adreno Homo neanderthalensis

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    All rice contain arsenic. White rice less so than brown.
     
  5. TrixieStix

    TrixieStix Senior Member

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  6. hixxy

    hixxy Senior Member

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    I was eating a lot of rice a couple of years ago and had a hair mineral analysis done and arsenic was off the charts.
     
  7. TrixieStix

    TrixieStix Senior Member

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    It's actually much more than aresenic unfortunately. This is a quote from the NYT article I linked to above.

    "But it’s not just arsenic and cadmium, which are present in soil both as naturally occurring elements and as industrial byproducts. Recent studies have shown that rice is custom-built to pull a number of metals from the soil, among them mercury and even tungsten. The findings have led to a new push by scientists and growers to make the grain less susceptible to metal contamination."
     
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  8. adelheid55

    adelheid55 Senior Member

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    Thank you... My daughter mentioned it because it was in our nwespaper but I told her not to worry because we eat brown rice from our whole food shop.
    She is the one with a GF diet so is certainly eating more rice than the rest of us.
     
  9. adelheid55

    adelheid55 Senior Member

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    She had a blood analysis for heavy metals and had quite a lot of those in her blood. Now I understand why.
     
  10. TrixieStix

    TrixieStix Senior Member

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    White rice would be the better choice.
     
  11. TrixieStix

    TrixieStix Senior Member

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    Lundberg Family Farms brand rice which is grown in California is a good choice for those in the US. It's cheaper if you buy it in large quantities. I've been meaning to have my local natural foods store order me a 25lb bag of their white basmati.

    Is Lundberg Family Farms testing for arsenic?
    Yes, we have been testing for arsenic in our rice for the past five years. The average level of inorganic arsenic in our rice over this time is 93 parts per billion (ppb), or 4.2 micrograms per serving. Our 2012, 2013, 2014 and 2015 crop testing results only included brown rice. This level is less than half the standard for brown rice established by the European Food Safety Authority (EFSA), less than half the standard for white rice established by EFSA and Codex, and slightly below the draft guidance issued by the U.S. Food and Drug Administration (FDA) for infant cereal.

    http://www.lundberg.com/info/arsenic-in-food/product-faq/
     
    Last edited: Mar 20, 2017
  12. hixxy

    hixxy Senior Member

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    It's sold on iherb for those not in the US. Obviously not in 25lb bags though.

    https://au.iherb.com/c/Lundberg/Rice
     
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  13. A.B.

    A.B. Senior Member

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    It says that a gluten free diet is associated with higher blood mercury, lead, cadmium levels, as well as urine arsenic.

    Whether the person on a gluten free diet has celiac disease or not makes little difference.

     
  14. Snow Leopard

    Snow Leopard Hibernating

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    This kind of study result is likely to be region specific, depending on the sources of food.
     
  15. TrixieStix

    TrixieStix Senior Member

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    The study was done on people living in the US.

    "In the US, about seven percent of rice is imported while the rest is grown within the country."

    "The US produces rice in Louisiana, California, Texas, Arkansas, and Mississippi."

    "Arsenic at lower levels is found in all soils, including American fields. The fertile soils fanning out across the Mississippi River floodplain are up to five times as high in arsenic as other parts of Louisiana, Mississippi and Arkansas, according to studies done by the United States Geological Survey."

    "Scientists say that the cadmium occurring naturally in American soil is not high enough to cause acute disease."

    "chronic exposure to arsenic, even at very low levels, can affect health. The F.D.A. is now considering whether a safety level should be set for arsenic in rice."
     
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  16. Mij

    Mij Senior Member

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    I switched to Lundsberg rice many years ago for this very reason.

    I did test very high for mercury and borderline high for arsenic 15yrs ago. I was not on a GF diet but ate a lot of salmon.
     
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  17. Laelia

    Laelia Senior Member

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  18. caledonia

    caledonia

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  19. Richard7

    Richard7 Senior Member

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    I looked into this a while back and from memory the US issue was really to do with arsenic based pesticides. Land that had been used for cotton and was sprayed with arsenic for decades was switched over to rice production in the south giving you high arsenic rice.

    Yes rice seems to draw it in, but if people add arsenic to the soil I blame the people.

    It is also ridiculous spin that they are putting this out as being an issue with being gluten free, rather than pesticide use or selling food that is not safe to eat being the problem.
     
  20. alex3619

    alex3619 Senior Member

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    Rice gets heavy metals from being immersed in water for much of the time, allowing increased metal absorption from the soil and ground water. Arsenic is a particular issue here, but then again its sometimes an issue from chicken too. However its not clear that all rice has this problem with heavy metals, it depends on soil and water quality in the particular growing region. White rice is also made using a mineral polishing agent sometimes, though I forget what it is they use. Rinsing white rise is advised.

    I eat a lot of rice. I have elevated but not dangerous arsenic. I currently am facing probable heavy metal poisoning from a titanium implant.

    Gluten may alter mineral absorption too. We know it affects the gut lining. What if it has beneficial effects too?

    I am forced to eat gluten free, but also react to many gluten free manufactured products. I suspect corn/maize is the issue. I am not celiac, and am not convinced gluten is the problem. There are many chemicals in corn and wheat products and the grains themselves.
     
    Last edited: Mar 20, 2017
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