To all you naysayers out there: How can you be so sure hair cell degeneration in the Cochlea is the reason for your tinnitus? Is your tinnitus constant or does it come and go. Or at least increase or decrease? If it isn't constant doesn't it stand to reason that something you are doing is affecting your hearing? And if something is affecting your hearing, then shouldn't you have some control over the problem?
There is something called Cranial sacral fluid which, no surprise, goes up your spinal canal from your sacrum (a small triangular bone at the base of your spine) to your head. Dr. Fullford, an osteopathic doctor, found by unlocking children's sacrum, he could eliminate their terrible headaches.
Do your symptoms increase with stress? Stress causes the muscles to tighten and lock up the spine more. It also happens with age. Especially if you live the life of a blob or have had trauma to the spine.