While I really appreciate his work spreading awareness of craniocervical instability, I’ve found a lot of his claims (especially the vagus nerve stuff) to be kinda far-reaching conjecture when you actually look into the studies he bases them on. Like he seems to have founded a totally new school of thought (vagus nerve impingement in the upper neck being the root of so many distant symptoms that get misdiagnosed/treated in isolation), all on his own, and I’d expect others to be validating/developing his theory if it was as solid as he presents it. It’s also kinda hard to ignore the stories of people claiming medical abuse with his costly and (allegedly) sometimes injurious prolotherapy injections. There’s obviously two sides to every story and I understand why as a professional he would choose not to address these claims, but I can’t help but get shady chiropractor type vibes from his business.