Oh, my – yes! The Centers for Disease Control conducted a famous study on Adverse Childhood Experiences, which demonstrated clear links between such experiences (from the categories of Abuse, Neglect and Family Dysfunction) and problematic behavior, as well as negative physical and mental health problems. The good news, though, is that trauma-informed therapy and practices (like EMDR, TF-CBT, Yoga, meditation & mindfulness training, etc.) can actually help! Check out this great article from the NPR site.