Absolutely! I made a long comment about the diaphragm and stuttering. I got rid of my stuttering 100% when I was 18. You can read my explanation here: [Del-Ferro method](https://www.reddit.com/r/Stutter/comments/va4np8/why_ignore_this_important_research/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=2&utm_term=1)https://www.reddit.com/r/Stutter/comments/va4np8/why_ignore_this_important_research/?utm_source=share&utm_medium=ios_app&utm_name=ioscss&utm_content=2&utm_term=1