Regular Exposure to Human Range Dietary Aluminium Throughout Most of One Adult Life Can Developed Brain Deterioration


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Regular Exposure to Human Range Dietary Aluminium Throughout Most of One Adult Life Can Developed Brain Deterioration

In a new publication from the Australian Institute for Biological Research, University of New South Wales, Sydney, “Functional impairment in aged rats chronically exposed to human range dietary aluminium (Al) equivalents” reported in the prestigious journal Neuro Toxicology 2009 Mar ; 30 (2) : 182 – 93

Professor J.R. Walton, the sole author concluded that:

1. Animals that consume larger amounts of Al in the human dietary range have a greater risk for higher levels of bioavailable Al in their blood, and more brain Al in the brain regions involved in memory processing than those that consume small amounts.

2. Some animals will absorb Al more efficiently than others that consume the same amount of A1. Hence, higher ingestion coupled with efficient Al absorption probably increases the risk or susceptibility for A1-associated cognitive damage.

3. The observation of disproportionately larger numbers of Al-loaded pyramidal cells in the entorhinal cortex of the intermediate Al dose group compared to the low Al dose group indicates that drinking water Al maybe readily absorbed and hence more bioavailable than Al from food.

4. Al-loaded neurons occur in brain regions that correspond to those affected by AD.

5. The percentage of Al-loaded pyramidal cells in the entorhinal cortex correlates strongly with memory impairment in old age.

6. Taken together, the present findings support the hypothesis that rats with continuous exposure to human range dietary Al equivalents from at least middle age onwards may develop memory impairment during old age in a dose-dependent manner.
Comment:

According to the World health Organization (WHO), oral ingestion of aluminium additives in the main form of aluminium exposure for the general public.

Aluminium salts are added to a range of commercially-prepared foods and beverages, to clarify drinking water, make salt free-pouring, colour snack/dessert foods, and make baked goods rise.

Most adult Americans ingest between 1 and 10 mg A1/day from fresh fruits, fresh vegetables, unprocessed meat, and fish. In addition to this amount, ~ 50 % of Americans are estimated to consume up to 24 mg A1/day (<0.34 mg/kg bw day) and another 45% between 24 and 95 mg A1/day (i.e. 0.34 – 1.36 mg/kg bw day) in the form of Al additives contained in processed foods and beverages including alum-clarified drinking water. Hence, from the combination of natural sources and commercially-processed foods and beverages, it is believed that 5% of Americans ingest 105 mg A1/(kg bw day) for the average 70 kg human.

Aluminium is a neurotoxicant and it is ubiquitous and our body has no need of it. Since we are so exposed to this dreadful element, why not protect oneself from this hazard.

Silica as OSA is a very potent chelator of Al in the intestinal tract and also in the blood stream.

OSA blocks absorption of A1 in the intestinal tract and also removes A1 in the body.

One natural source of OSA with therapeutic amount can be found in Spritzer Natural Mineral Water.

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