Tracey Woodruff, EPN member; Director, Program on Reproductive Health and the Environment at the University of California; former EPA senior scientist; and former policy advisor, EPA Office of Policy, was quoted in this article discussing the shortfalls of EPA’s decision to ban the pesticide chlorpyrifos based on data showing the chemical reduced function of cholinesterase, an important enzyme in the brain, rather than on epidemiological studies that showed chlorpyrifos negatively impacted neurodevelopment.