“…It is well established that the severity of childhood trauma is associated both with levels of substance use and the severity of dissociation (Diseth, 2005;Najavits & Walsh, 2012;Najavits, Weiss, & Shaw, 1997). Three times higher rates of substance abuse in subjects with vs. without a history of childhood trauma have been reported in the general population (Kilpatrick, Saunders, & Smith, 2003), and the severity of childhood trauma is closely linked to the level of substance abuse (Khoury, Tang, Bradley, Cubells, & Ressler, 2010;Scheidell et al, 2018).…”