Never debate the inarguable. Here's food for thought though: Here are studies that look at dopamine antagonists and their effect on stuttering. Dopamine antagonists reduce dopamine levels, for anyone wondering. TLDR: Reducing dopamine levels in the basal ganglia of the brain shows effectiveness in stuttering.... Not without side effects. 1. "Olanzapine Versus Haloperidol: Which Can Control Stuttering Better?" [https://pmc.ncbi.nlm.nih.gov/articles/PMC3678230/](https://pmc.ncbi.nlm.nih.gov/articles/PMC3678230/) 2. "Olanzapine in the treatment of developmental stuttering: a double-blind, placebo-controlled trialOlanzapine in the treatment of developmental stuttering: a double-blind, placebo-controlled trial" [https://pubmed.ncbi.nlm.nih.gov/15328899/](https://pubmed.ncbi.nlm.nih.gov/15328899/) 3. "Investigation of Risperidone Treatment Associated With Enhanced Brain Activity in Patients Who Stutter" [https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2021.598949/full](https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2021.598949/full)