New analysis carried out on Chilean mummies has found high concentrations of arsenic. Previous analyses showed high concentrations of arsenic in the hair samples of mummies from both highland and coastal cultures in the region. However, researchers weren't able to determine whether the people had ingested arsenic or if the toxic
Analysis of the hair taken from 45 Andean mummies shows the people suffered from arsenic poisoning. In the current Journal of Archaeological Science, a team led by Bernardo Arriaza of Chile's Universidad de Tarapaca analyzed hair from 45 Andean mummies taken from ten sites some 7,000 to 600 years old.