Op-ed: Are we getting dumber? Endocrine-disrupting chemicals are an assault on children’s developing brains. Barbara DemeneixR. Thomas Zoeller Brain function, especially in children, is often evaluated by intelligence tests resulting in an Intelligence Quotient or “IQ.” IQ scores, after having increased for most of the 20th century, have been going down since the mid-1990s. The decline … Continue reading Op-ed: Are we getting dumber?