DBT was developed in the 90s as one of the first truly effective interventions for people navigating Borderline Personality Disorder, and it has since been applied to many other diagnoses including ADHD, binge eating disorder, mood instability, and substance use disorders. And, it can be used for adolescents all the way through adulthood as well as in group therapy and/or individual therapy. How does it work for so many different diagnoses, struggles, and ages?