Johns Hopkins medical unit rarely finds black lung, helping coal industry defeat miners' claims

By Chris Hamby, Brian Ross and Matthew Mosk

A surprising force has helped industry defeat black lung benefits claims for ailing miners: Johns Hopkins University.

Countries target pesticides as suspected link to rare kidney disease

By Sasha Chavkin

Governments from El Salvador to Sri Lanka explore the role of pesticides in a malady killing laborers, as other scientists eye heat stress.

New urgency targets mysterious kidney disease in Central America

By Sasha Chavkin

In El Salvador, health ministries formally recognize a kidney disease killing laborers — and vow deeper scrutiny of its causes.

In India, verdant terrain conceals clues to a fatal kidney disease

By Sasha Chavkin

How a rare kidney disease is killing laborers and vexing researchers in three countries.

As kidney disease kills thousands across continents, scientists scramble for answers

By Sasha Chavkin

How a rare kidney disease is killing laborers and vexing researchers in three countries.

Costa Rica to study kidney disease afflicting sugarcane workers

By Sasha Chavkin

In Costa Rica, health officials and one company step up against a disease that's claimed thousands of lives in Central America

Thousands of sugar cane workers die as wealthy nations stall on solutions

By Sasha Chavkin and Ronnie Greene

Mysterious kidney disease has killed thousands of men in an isolated region of Central America, but why?

Methodology

A note of the data and analysis for 'Island of the Widows'