Measuring changes in the temperature of the hands after immersion in cold water could be useful in making an early diagnosis of Parkinson’s disease, a small study suggests. The study, “A Non-Invasive IR Sensor Technique to Differentiate Parkinson’s Disease from Other Neurological Disorders Using Autonomic Dysfunction as Diagnostic Criterion,” was published in Sensors late last year. Early diagnosis of Parkinson’s is critical for a more prompt initiation of care and for better long-term outcomes. However, detecting…

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