# This Method Makes Clinical AI Forget Entire Classes by Touching Just 0.19% of Parameters - slug: this-method-makes-clinical-ai-forget-entire-classes-by-touching-just-019-of-parameters - date: 2026-03-23 - category: Artificial Intelligence A team from George Washington University and Johns Hopkins has published a machine unlearning method designed specifically for clinical language models — one that nearly eliminates a target class from a deployed model while modifying less than 0.2% of its parameters. ---