In the US, the number of chemicals routinely measured in people’s bodies has grown rapidly – our powerful analytical capabilities now allow us to identify over 1,000 individual chemicals in a single blood sample. Unfortunately, however, our analytical capabilities have outpaced our ability to interpret these data, according to Judy S. LaKind, Ph.D., President of LaKind Associates, LLC, Adjunct Associate Professor, Department of Epidemiology and Public Health, University of Maryland School of Medicine and Adjunct Associate Professor, Department of Pediatrics, Pennsylvania State University College of Medicine.