circular wrote:I’m guessing that urinary aluminum may not reflect tissue or brain levels? Have the latter been measured before and after silica water? I’m guessing not, unless in animals, because it’s invasivqe. I still think it’s good to eliminate what we can, but tissue levels are still unknown? I also wish they had measured urinary aluminum daily. It should have shown it decreasing. And, it seems they only tested iron, when other metals we need might get excreted too?
Confession: I didn’t read the paper yet.
Circular you ask great questions. The human study using silica water in people with Alzheimer's measures urinary output of aluminum. Here is a link to a video of a presentation Dr. Exley recently gave on silica and measuring excretion of aluminum in urine. http://liveaware.com/videos/
Regarding animals. There is one study in rats. Belles, M., et al.; Silicon reduces aluminum accumulation in rats: Relevance to the aluminum hypothesis of Alzheimer’s disease; Alzheimer Disease Associated Disorders; 12(2):83-87 (1998)
My husband Dennis N Crouse has done a write up on this study. Here is part of my husbands write up. Here is the conclusion "In every tissue and organ tested, including bone, the prior accumulated aluminum is reversed by supplemental OSA." ( Organs tested liver, bone, spleen, kidney and the brain (6 areas including the hippocampus)"
Here is a description of what they did "In an effort to find if rats of all ages benefited from OSA supplementation rats were simultaneously give both supplemental OSA and aluminum. Supplemental aluminum, as aluminum nitrate, was given to young rats (21 days old), adult rats (8 months old), and old rats (16 months old). The aluminum was administered by gavage (i.e. through a tube to the stomach) daily for 6.5 months and then the animal’s brains were analyzed for aluminum accumulation. The olfactory bulb of the brain had the highest aluminum levels and young rats had the highest aluminum concentration. Patterning OSA dosages after Carlisle and Curran supplemental synthetic OSA was given to rats for 5 weeks and concurrently supplemental aluminum was given by gavage for just 5 days a week for 5 weeks. This OSA treatment decreases both prior accumulated aluminum, as measured in the control animals, and absorbed supplemental aluminum in four organs and regions of the brain. Table 2 summarizes this important, remarkable, and disturbing data."
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"True prevention is only possible by first discovering the cause of a disease such as Alzheimer's."
Dennis N Crouse