Professor Chris Exley: Aluminium in human brain tissue

AluminumExcerpted from the Blog of Professor Chris Exley, worldwide expert on aluminum and its effects on the human brain.

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We have now measured the concentration of aluminium in human brain tissue from over two hundred donors involving at least five different brain banks. This equates to several thousand individual brain tissue samples. We have information relating to sporadic and familial Alzheimer’s disease, multiple sclerosis, cancer, epilepsy and autism. If I am honest, I am slightly bemused when, correctly, the question is asked about brain aluminium content in ‘control’ tissues. Bemused because such a question does suggest that the presence of an established neurotoxin, known to cause dialysis encephalopathy, is perhaps ‘normal’ and not a cause for concern.

We recently asked the question as to how much aluminium in human brain tissue is too much ( https://link.springer.com/article/10.1007%2Fs00775-019-01710-0) and we described an experiment in the paper to answer this question. We now have the data from this new study on the aluminium content of brain tissue from donors with no known neurological impairment and no identifiable neurodegenerative disease. The results are published in Nature’s Scientific Reports (www.nature.com/articles/s41598-020-64734-6) and they are unequivocal.

Read more from Professor Exley at Aluminium in human brain tissue at The Hippocratic Post

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By Prof. Chris Exley

I am a Biologist (University of Stirling) with a PhD in the ecotoxicology of aluminium (University of Stirling). My research career (1984-present) has focussed upon an intriguing paradox; 'how come the third most abundant element of the Earth's crust (aluminium) is non-essential and largely inimical to life'. Investigating this mystery has required research in myriad fields from the basic inorganic chemistry of the reaction of aluminium and silicon to the potentially complex biological availability of aluminium in humans. I am also fascinated by the element silicon in relation to living things which, as the second most abundant element of the Earth's crust, is also almost devoid of biological function. One possible function of silicon is to keep aluminium out of biology (biota) and this forms a large part of the research in our group. We are also interested in biological silicification.

(Source: ageofautism.com; May 12, 2020; https://bit.ly/35QIXbi)
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