Although, many of you have heard about Chiriai (sadly, I have a friend who suffers from it, which is how I came to know about it) it is sadly a common story that those with Chiari are made to feel like it's psychological, or they're misdiagnosed, brushed off, and years or decades later someone finally listens.
For more information:
en.m.wikipedia.org/wiki/Chiari_malformation