The expansion of soybean production in Brazil, with its associated pesticide use, is correlated with increased incidence of childhood leukemia, according to a new PNAS article led by University of Illinois professor Marin Skidmore. Here, a map shows the growth of soybean acreage in Brazil over time.

The expansion of soybean production in Brazil, with its associated pesticide use, is correlated with increased incidence of childhood leukemia, according to a new PNAS article led by University of Illinois professor Marin Skidmore (pictured).