article_snippet: Dr Broberg and her colleagues, whose work is published in the journal Molecular Biology and Evolution, studied the genome of 124 Andean women living around the village of San Antonio de los Cobres.
article_snippet: They found one gene in particular - AS3MT, which is thought to play a role in arsenic metabolism - occurred in far higher frequencies compared to populations living in Columbia and Peru.
article_snippet: Other populations around the world are known to carry this particular AS3MT gene variant, with the highest frequencies in Peruvians, Native Americans and Vietnam.
highlights_snippet: Scientists at Lund University in Sweden conducted genetic tests on locals .
  