Group sessions are a key component of dialectical behavior therapy.
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Dr. Marsha M. Linehan, creator of the lifesaving, gold standard treatment for borderline personality disorder and more, died Tuesday at 83, professionals who worked with her confirmed with CNN.

Linehan developed dialectical behavior therapy, or DBT, in the 1980s, basing its emotion regulation and distress-tolerance skills partly on cognitive behavioral therapy and elements of Zen Buddhism — including mindfulness and the dynamic balance of acceptance and change.