Potential Human Health Effects Associated with Unconventional Oil and Gas Development: An Update to the Literature, 2019–2021

This Research Brief provides a summary of the UOGD epidemiology studies published since the HEI Energy Research Committee conducted its systematic review of this literature. It provides information on study methods and the exposures, health outcomes, and regions that have been studied. This document is not a systematic review of the literature; instead, it provides a general update on the UOGD analytical epidemiology literature. It is part of a series of Research Briefs summarizing literature about potential exposures and health effects associated with UOGD.