A study from Arizona State University and the Translational Genomics Research Institute reveals that exposure to glyphosate, a widely used herbicide, can cause lasting brain damage in mice. Even low doses, near what is deemed safe for humans, led to significant brain inflammation and deleterious behavioral changes, resembling anxiety. The research raises concerns about glyphosate’s safety for humans and highlights that it crosses the blood-brain barrier, potentially contributing to neuroinflammation and other negative effects on neural function.