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Aims: Coal fly ash (CFA), the major waste product of coal-burning utilities, is trapped and contained in Western nations, but not generally in India and China, where it is a major component of air pollution. In Western nations, the CFA trapping is inefficient, exposing downwind populations to the toxic aerosols. Similarly, CFA industry workers and those living downwind of coal ash piles may be exposed to the wind-blown toxins. Aerosolized coal fly ash, especially as used for climate manipulation, is a particularly hazardous form of air pollution. Our objective is to review the multifold components of coal fly ash, linked to neurodegenerative disease, which is rapidly increasing world-wide.
Methods: We review the interdisciplinary scientific and medical literature.
Results: The recent finding of spherical exogenous magnetite (Fe3O4) nanoparticles in the brain tissue of persons with dementia suggests an origin in air pollution produced by coal fly ash. The primary components of coal fly ash, iron oxides and aluminosilicates, are all found in the abnormal proteins that characterize Alzheimer's dementia. The presence of these substances in brain tissue leads to oxidative stress and chronic inflammation. Energy absorbed by magnetite from external electromagnetic fields may contribute to this neuropathology.
Conclusions: Considering the well-known and manifold toxicities of CFA, the public should be made aware of the potential risks for neurodegenerative disease posed by aerosolized CFA, including its use in climate alteration activities. We have set forth the basis for understanding how this kind of pollution may damage cognitive abilities. It is a form of pollution that should be halted altogether.