https://royalsocietypublishing.org/doi/10.1098/rsnr.1979.0002 https://royalsocietypublishing.org/doi/10.1098/rsnr.1979.000... "Newton’s ‘derangement of the int

https://royalsocietypublishing.org/doi/10.1098/rsnr.1979.0002 https://royalsocietypublishing.org/doi/10.1098/rsnr.1979.000... "Newton’s ‘derangement of the intellect’. New light on an old problem, P. E. Spargo and C. A. Pounds, 1979" And regarding the documented symptoms: https://royalsocietypublishing.org/doi/10.1098/rsnr.1979.0001 https://royalsocietypublishing.org/doi/10.1098/rsnr.1979.000... "Mercury poisoning: A probable cause of Isaac Newton's physical and mental ills, L.w. Johnson and M. L. Wolbarsht, 1979"