http://www.modernherbalist.com/Neurotest%20article.pdf
Questions surrounding the source of neurotransmitters in
the urine become irrelevant in light of the correlations between
urinary excretion and various conditions. The studies cited offer
a compelling argument that urinary neurotransmitter testing
improves the ability of a clinician to make an informed decision,
based on empirical evidence, in first line therapeutic choices that
will improve outcome.
http://labdbs.com/
Treatment of Parkinson's Disease should not be with only levodopa. Parkinson's Disease treatment should be with properly balanced levodopa, 5-HTP, tyrosine, cysteine guided by neurotransmitter testing as indicted. Use of of this combination of nutrient controls the side effect of nausea associated with levodopa and prevents the depletion of serotonin and glutathione in treatment. It also helps prevent progression of Parkinson's Disease due to glutathione depletion which is needed
edited to add the controversial search results:
http://search.aol.com/aol/search?q=t...romesbox-en-us