Dialectical Behavior Therapy (DBT) was developed by psychologist Marsha Linehan in the late 1980s, originally for people with borderline personality disorder and chronic suicidal thoughts or self-harm — a population that earlier therapies, including standard CBT, often struggled to help. Linehan herself had lived experience of intense emotional suffering, and DBT carries that origin in its DNA: it takes emotional pain seriously as real and valid, not simply as a distortion to correct.
The name comes from its central idea: a dialectic is the holding of two seemingly opposite truths at the same time. In DBT, that means radical acceptance — fully accepting yourself, your history, and your present reality exactly as they are — combined with an equally serious commitment to change — building the skills and the life you actually want. Neither side cancels the other out.
Acceptance AND change, not acceptance then change
A therapist practicing DBT will often validate a feeling as making complete sense given the circumstances — and, in the same breath, help you find a different way to act on it. That combination is the whole point: change without acceptance feels like criticism; acceptance without change can feel like being stuck.
While DBT's strongest evidence is still for borderline personality disorder, its skills have since been adapted for PTSD, eating disorders, substance use, treatment-resistant depression, and adolescents struggling with intense emotions more generally.