A mysterious chronic kidney disease is afflicting a large number of people in India and Sri Lanka. Despite decades of studies, scientists are yet to pinpoint the cause of the disease. Vibha Varshney travels to Sri Lanka and analyses the state of research, while Richard Mahapatra and M Suchitra report from the hotspots of the disease in India.

Read More: http://www.downtoearth.org.in/content/kidney-conundrum