Study: Farmworkers More Diseased Study: Hispanic Farmworkers Experience Higher Rates of Leukemia, Brain, Skin Cancers FRESNO, Calif. March 17 — A state agency's study found that Hispanic farmworkers have higher rates of brain, leukemia, skin and stomach cancers than other Hispanics in California, a phenomenon their union blames on pesticide exposure.Female Hispanic farmworkers also had more cases of uterine cancer than the rest of the state's Hispanic women, according to the Cancer Registry of California study, "Cancer Incidence in the United Farm Workers of America, 1987-1997."The study, published in the November issue of the American Journal of Industrial Medicine, doesn't...