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Hi Paul.
PD is a disease of the CNS (Central Nervous System). It can therefore 
affect the muscles of the throat and the organs of speech. It can also 
affect the organs of smell.

I suspcet that the throat soreness is coming from one of two causes: 
either you are straining your throat muscles by trying too hard to 
speak normally, or you have scratched the epiglottis, the little flap 
at the back of the throat that separates the esophagus (the food pipe) 
from the trachea (wind pipe) and  prevents food being aspirated into 
the lungs/ The epiglottis can easily be scratched in PD, and can be a 
cause of throat pain.

The organs of smell, the primary olfactory system which detects 
volatile chemicals, and the accessory olfactory system which detects 
fluid based chemicals. Hyposmia (a reduced ability to smell) is s 
common symptom of PD. The sense of taste is linked to the sense of 
smell, and any effect on one sense cam affect the other. Also "phantom 
smells" are a symptom of PD, where the PWP can "smell" a distinvt 
odour, but cannot identify it or discover the source.

As far as I know, these symptoms are not curable; they seem to appear 
and dissapear at will; they will deteriorate over time. There is a 
system of voice training called the "Lee Silverman Voice Training 
Program" which has been said to help people with PD.

Jim Slattery 

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