World Health Organisation gathers hair to probe uranium from Johannesburg gold mines World Health Organisation is collecting hair samples west of Johannesburg to see if residents near South Africa’s biggest city are suffering from excessive uranium pollution due to ore dumps from 130 years of gold mining reports http://www.mine

The Geneva-based United Nations unit will analyse hair samples from about 1 600 people living in neighbourhoods near mine-waste dumps, mainly west of Johannesburg, it said in an e-mailed response to questions. Uranium, which can cause cancer, can be ingested through drinking contaminated water or inhaling dust.