The Kaiser Permanente Division of Research conducts, publishes, and disseminates epidemiologic and health services research to improve the health and medical care of Kaiser Permanente members and society at large. We seek to understand the determinants of illness and well-being, and to improve the quality and cost-effectiveness of health care. Currently, DOR’s 550-plus staff is working on more than 350 epidemiological and health services research projects.
In 2010, a five-year Kaiser Permanente Northern California study of more than 500 male Chinese factory workers found that those with high levels of the compound bisphenol A (BPA) in their bodies had decreased sperm concentration, decreased total sperm count,…
