For others who wish to skip over the vaguely-related background info which takes up a quarter of the article, search for "In the days after the Carancas meteori

For others who wish to skip over the vaguely-related background info which takes up a quarter of the article, search for "In the days after the Carancas meteorite struck the altiplano." The article implies that arsenic kicked out of the water table by the meteorite was the probable cause of the illness.