I know right? Well it's not important enough to scientist. They don't realize how loud it can be and can drive you crazy. With Meniere's my ear gets a "full" feeling and the more full it gets I loose more hearing and the ringing gets much louder, that's when I know any day the vertigo will hit. Just had an episode this past week, and still my head feels slightly dizzy. After the vertigo hits bad, the fullness slowly goes away, but not totally away, like a hint of it always stays. Eventually I will loose my hearing, have no idea how long that will be, and there's no cure and from what I have read not much in way of treatment, I already have the meds they use for them, don't work at all when it's bad. Surgery for it will take my hearing away, so I think doctors don't like that option unless your hearing is already impaired.