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Early detection of PD


There are some subtle clinical tests, for example a decline in visual
color perception (interestingly, the blue-sensitive cells!) but they are
probably too complicated to be done as a pre-screening routine. The PET
scan or the SPECT scan is effective, they work by observing the uptake
of dopamine that has been tagged with a radioactive tracer, but probably
neither technique is within the reach of an ordinary clinic, as the
equipment costs megabucks.
Cheers, Joe


J. R. Bruman (818) 789-3694
3527 Cody Road
Sherman Oaks CA 91403


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