London: Doctors are failing to diagnose Parkinson`s disease during its early stages of origin as they are unable to recognise its early symptoms.The disease that afflicts thousands of people across the world has symptoms like loss of smell, fatigue, sleeping disorders, mood swings, constipation and unexplained pain that may cause tremors.Ray Chaudhuri, consultant neurologist at Kings College London, said: "Generally speaking, most general physicians see just one or two people with Parkinson`s during several years of their practice. Thus, their knowledge about the early symptoms of Parkinson`s tends to be very limited. It`s very unlikely that they would know the fine details."This meant most people were diagnosed late in the course of the disease, when the brain had already deteriorated considerably, Chaudhuri said. Parkinson`s is caused by neuronal (brain cell) loss, lowering levels of dopamine, a neurotransmitter, the Telegraph reported.
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