CBT is the most-researched therapy in clinical practice. Built by Aaron Beck and Albert Ellis in the 1960s and 70s, it's now the first-line evidence-based treatment for anxiety disorders, major depressive disorder, panic disorder, and OCD — endorsed by the APA, the NIH, and the NHS. At Awkward Recovery, CBT is delivered by Masters level therapists in individual sessions and woven into IOP group skills work. It's a workhorse of the program.
What CBT does, plainly: it challenges the thoughts that aren't accurate, restructures the ones that are running the show, and activates the behaviors that depression and anxiety try to shut down. The substance use piece, when it's there, is treated as a coping skill that stopped working — a strategy with negative consequences, not a separate disease bolted on.
CBT also isn't a cure-all. For PTSD and complex trauma, trauma-focused CBT, EMDR, and CPT are first-line per the VA and APA — with DBT for stabilization — not generic CBT. If trauma is the picture, the right page is trauma-focused CBT.