Charles T. Meyer wrote: >Carbon Monoxide poisoning is known to cause a Parkinson's-like syndrome...and therefore tends to be resistant to l-DOPA treatment. Charlie, Murray and all, I seem to have the 'garden variety' Pksns and certainly couldn't function without levodopa, but whenever I see or hear something about coal fumes my interest is piqued. I don't think being exposed to the fumes caused my Pksns, but I can't help wondering about the carbon monoxide poisoning. But then again, I was raised on well water, too, so who knows??? Judith -- Judith Richards, London, Ontario, Canada <[log in to unmask]> ^^^ \ / \ | / Today’s Research \\ | // ...Tomorrow’s Cure \ | / \|/ ```````