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Making sense of a medical story.  Parkinson's disease is a neurological illness caused by a decrease on levels of a neurotransmitter, dopamine, in the brain.  Symptoms include stiffness, loss of muscle control.  Ultimately resulting in behavior that appears to be a very extreme example of what was demonstrated this morning.  Traditionally, the most potent treatment is sinemet a drug that increases levels of dopamine.  It is able to prevent or ease the extent of the contractions or paralysis.  I think...