Kaki,
I'm sorry to hear that your fibromyalgia is so severe.
As I've said in earlier posts, avoiding fluoride is a good thing for fibromyalgia sufferers to do.
You said, "Is it possible that fibromyalgia would have a connection with all of us (who has been diagnosed) by the type of water we drink by the years, the air we share or area which would be semilar everywhere and combined with our work experience and also our way of living."
One thing that many of us have consumed or are consuming is aspartame. Here is a website that discusses the dangers of aspartame:
http://www.dorway.com/indexnew.htm
The other thing, which is true for me, is fibromyalgia symptoms caused by Lyme disease. If you want to know more about Lyme disease, see my thread, "Helpful Information about Lyme Disease" on the Lyme disease forum.
I pray that you will find a professional who can really help you overcome your fibromyalgia.