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

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

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

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

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