Arsenic-polluted water linked to cancer in India

[Emily]

The first case of arsenic poisoning in India was recorded in 1983, so the problem is fairly new. In the 1970's, there was a shift away from surface water to well water source to avoid infectious disease transmission. Unfortunately that brought up arsenic along with the water.

http://wqad.com/2017/05/01/arsenic-polluted-water-linked-to-cancer-in-india/

[h=1]Arsenic-polluted water linked to cancer in India[/h] Posted 6:04 am, May 1, 2017, by Katrina Lamansky
(CNN) ? Millions of people in Bihar, India, are showing symptoms of arsenic poisoning, which can be linked to cancer, due to consumption of contaminated drinking water.
The symptoms arise after many years of exposure, say experts.
The state of Bihar, in eastern India, is one of the country?s most impoverished states. More than 10 million people in the state are estimated to be threatened with arsenic poisoning or arsenicosis from contaminated groundwater.
Dr. Ashok Ghosh, a professor at the Mahavir Cancer Institute and Research Center in Patna, Bihar , has been studying groundwater pollution in the state since 2004 and says arsenic concentration has shot up in the groundwater supply of some Bihar districts since he began looking into it....