Emerging evidence аrоund аdverse childhооd experiences (ACEs) shows thаt trauma can alter expected patterns of brain maturation in children, leading to higher rates of mental illness, substance use, unplanned pregnancies and poor academic performance. It can also alter the immune system and lead to poor physical health. It is important for providers to recognize the prevalence of ACEs in the general population. According to surveys, what percent of adults report at least one type of ACE in their history?