This is a fascinating and huge new study in Nature Genetics about the origins of stuttering: researchers from Vanderbilt University Medical Center looked at DNA from more than 1 million people and found genetic hotspots that lead back to 48 genes! One of the main researchers is a stutterer too This is a great breakdown and has a cool video that explains the findings: [https://news.vumc.org/2025/07/28/large-scale-study-defines-genetic-architecture-of-stuttering/](https://news.vumc.org/2025/07/28/large-scale-study-defines-genetic-architecture-of-stuttering/) For the science lovers, the original: [https://www.nature.com/articles/s41588-025-02267-2](https://www.nature.com/articles/s41588-025-02267-2)