Exposure to toxic stress affects people mentally and even physically. It can impair “executive functions, such as decision-making, working memory, behavioral self-regulation, and mood and impulse control.” It “may result in anatomic changes and/or physiologic dysregulations that are the precursors of later impairments in learning and behavior as well as the roots of chronic, stress-related physical and mental illness.” Toxic stress can literally wear you down and, in the end, kill you.