Furthermore, with the highest toxicities in the human neurological system, As may trigger the development or progression of MS by inducing the production of reactive oxygen species (ROS) in neuronal cells, mitochondrial dysfunction, inflammation, and hyperphosphorylation of the tau protein, all of which lead to axon injury in MS (Ratnaike, 2003[40]; Dangleben et al., 2013[11]). This evidence concerns the gene MAPT and myeloid sarcoma.