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Unfortunately, you can't necessarily jump to conclusions about what causes higher rates of PD in certain professions. It may not be ovious, and it may be wrong even if it is obvious. If so, you end up spending scarce resources controlling A, which is not really related to the disease, when you might have actually accomplished something by controlling B. In the case of PD, there appear to be higher than expected occurrence among physicians, dentists, farmers, teachers, lawyers, scientists, and religion-related jobs. It is hard to see the common element here, unless it is related to personality. (Reference: Goldman SM, et al, Occupation and parkinsonism in three movement disorders clinics. Neurology. 2005 Nov 8;65(9):1430-5.) ----- Original Message ----- From: "jcu" <[log in to unmask]> To: <[log in to unmask]> Sent: Sunday, June 25, 2006 6:41 PM Subject: Re: Manganese, well water, and PD > IH Arnie, > > Thank you for this reply. > > The reason I asked about specific professions that might > show a high incidence of pd is because there are identifiable > groups who come into contact with occupational-related > hazards (like manganese)...My interest would be in controlling > the environmental hazards that can be potentially avoided and > that employers should be aware of. > > > take care, > joan > > > ----- Original Message ----- > From: "Arnie Kuzmack" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Saturday, June 24, 2006 8:27 AM > Subject: Re: Manganese, well water, and PD > > >> >I appreciate your advice regarding magnesium oxide, Arnie! >>> Yes, I have stopped using it...But I wonder...are there >>> specific >>> professions/occupations that show a high incidence of pd >>> that you are aware of (like, say, potters or x-ray >>> technicians, >>> etc.)? Assuming there is an environmental trigger... >>> >>> Interesting comments about controlled variables, as well. >>> >>> >>> Regardless, >>> thanks for your comments. >>> >>> joan >>> >>> As a footnote, >>> what is interesting about your post is that I received it >>> even though I did not receive my own post to the list >>> (the one you responded to)...not sure why. >> >> Even if there *are* specific professions/occupations that show >> a >> high incidence of PD, this does not mean that there is an >> environmental trigger. There are reasons people choose or end >> up >> in various occupations. These could be related to differences >> in >> personality, ethnic or social background, group dietary >> habits, >> use of tobacco and alcohol, etc. which could in turn be >> related >> to occurence of the disease. >> >> Why you do not receive a copy of your own post: this one I >> can >> answer without waffling. The Parikinsn list runs on listserv >> software at the U. of Toronto. This is a very old (in >> Internet >> terms) piece of software. In those days, Internet bandwith >> was >> very expensive, and some people even paid by the number of >> messages they sent and received. To cut down on the use of >> bandwith, listserv does not send you a copy of your own post, >> on >> the theory that you know what you said and your mail program >> keeps a copy anyway. >> >> Most mailing-list software does not bother with this anymore. >> Besides, it never really worked. When someone did not see >> their >> message, they would send in another 10 copies to the whole >> list, >> after which 20 other folks would send messages to the whole >> list >> telling the poor guy to stop sending his message already. >> Thereby using a lot more bandwith. ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn