"Synergy, Schminergy:  Why two kinds of scientists and all the public health people in the world can't understand complex chemical exposures"

In our chemical-saturated world, it's critical to understand the health impacts of the complex mixtures of chemicals to which we are daily exposed.  Despite decades of study, there is still little consensus among scientists about how chemical exposures act together. Even worse, scientists in different fields use the same words in different ways, contributing to a confusion that limits the ability of policymakers to address chemical threats to health.