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Home Q & A Board Science-Related Homework Help Psychology
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Kiaalyce1 Kiaalyce1
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6 years ago
Tracing the cause of Parkinson's disease is difficult because PD is
 
  A) an inherited disorder. .
  B) can be caused by drugs of abuse such as caffeine.
  C) an unrecognized infectious disorder.
  D) can be caused by environmental toxins.
  E) .is a sporadic disorder.
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summer123summer123
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6 years ago
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