Many different neurotoxic chemicals and drugs are ototoxic, (toxic to the hearing system). Toluene is now a well known ototoxic chemical that causes high frequency hearing loss and tinnitus,(high pitched sounds or ringing in the ears). . . there are numerous scientific studies that verify this.
For information on this and other neurotoxic symptoms from neurotoxic chemicals please visit our website. The Canadian Neurotoxicity Information Network at [url="http://www3.sympatico.ca/cnin/"]http://www3.sympatico.ca/cnin/[/url]