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Does Parkinson’s Start in the Nose?

This shows a man's noseA majority of Parkinson's patients report a diminished sense of smell, which starts to occur a number of years before the onset of other symptoms. Researchers are exploring whether scent-processing neurons which connect the nose to the brain may play a role in the development of Parkinson's disease.

from Neuroscience News https://ift.tt/2Zq19tH
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