All one has to do is search the web on autoimmune disease and hyperacusis...

Hyperacusis can be associated with autoimmune disorders, traumatic brain injury, metabolic disorders, and other conditions..

It is out there in more then one place..
I was looking on sites of what could cause autoimmune disorders..
Heavy metals... Mercury ect..

http://www.aarda.org/infocus_article.php?ID=33

Even here it talks of a study with lupus..
And mercury exposure and..
Some of these diseases may be triggered by an infectious agent or an environmental exposure..

http://report.nih.gov/biennialrepor...ease_categories/autoimmune_diseases.aspx

There is so much more out there on this and to connect the dots isn't that hard to do..
And environmental toxins cause autoimmune disease..
Mercury can cause autoimmune disease wether you get your mecury exposure through your mercury laced filling's or through your mercury laced vaccines..
What about the flu shot..
And vaccines can trigger autoimmune disease..
And autoimmune disease is growing dramatically in this country..
10x more then years ago and is the third leading cause of death I've heard..
It's one of the top 10 killers..
One person may develop lupus and with someone else it's MS and with someone else maybe hyperacusis disorder or autism..
Take your pick..
There is truely something to this.
Horror Autotoxicis
The horror of self induced toxicity..
Now that is truely disturbing..
Reading up on that.