I have. So you're here talking with conviction on something you know nothing about? Research guides treatment, I'm sure you know that. Moreover, there are studies showing that there are certain things going on in the brain in stuttering that specific medications have been shown to address which significantly reduce stuttering. This is no different to how other disorders like epilepsy and schizophrenia are researched and treated. Here's a review for you to start: [https://pubmed.ncbi.nlm.nih.gov/32292321/](https://pubmed.ncbi.nlm.nih.gov/32292321/)