නලින් ද සිල්වාගේ ආසනික් විප්ලවය.

According to reports in the press and on television, what has caused the kidney disease among the people of Rajarata is arsenic in the water, put there by agricultural chemicals — and the arsenic problem has grown so large that there is arsenic in the rice we eat. The discovery was made by a group of scientists at the University of Kelaniya, in an investigation into the causes of the Rajarata kidney disease.