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Dear Wendy , Always that engineers have to build a dam , a bridge or any such works they run in what it is called the "calculated risk" (better would be estimated risk) . This by definition should be as close as the up to date knowledge in engineering allows the designers to take in account possible situations in which the project will not be safe , or will fail . There is not a 100 per cent safe work and depending the cases the "calculated risk" can be small or bigger than another . Say for instances a dam built in region that is subjected to earthquakes of variable scale .The same may apply also to a project to build and send people to the moon as already was done . The point is the "calculated risk" has to be assumed because otherwise the project cannot be realized . Now , back to PD and other diseases the MDs may have to face their "calculated risk" if they wish to fight a disease knowing sometimes that there may have bad side effects or else other risks as a during a surgery . For instance in fighting cancer problems MDs may find necessary to use chemistry therapy even knowing the terrible side effects they may cause to their patients as long there is not a better procedure . Another risk may occur during a transplant surgery as concerned rejection etc.,etc. The problem with "snake oil" and some alternative medicine is that there is harder to people estimate any benefits , (or how much ), from them, or have any idea of the relation benefits in curing a disease and its "calculated risks" . The point is that errors are are impossible to detect all and the important thing to human knowledge is to LEARN from these errors as should be the case with a scientific procedure and as the history of the advance of the human knowledge have demonstrated so far. Warm regards, Joao "Tebay, Wendy M" wrote: > Hey, I just had a thought. With all this recent news regarding the safety > of Tasmar and it's potential for liver damage, it's rather ironic to me at > least, to see how calm and collected the discussion is regarding this new > info, especially when compared to the passions displayed about snake-oil > remedies, like the dreaded sandalwood. Hmmm! Kinda proves some of my > earlier points! (i.e., that in general, as a group, we are very accepting of > mainstream ideas/treatments, while quick to condemn many fringe ideas). > Sometimes this is valid, but I still find it ironic that, at least as the > evidence seems to be showing now, for some people, Tasmar is much worse and > much more deadly than any snake-oil.-- +----| Joao Paulo de Carvalho |------ + | [log in to unmask] | +--------| Salvador-Bahia-Brazil |------+