Symptoms of Parkinson's disease
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Tremor
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When the muscles are at rest. About 80% of Parkinson's patients experience this rhythmic shaking of muscles even when they aren't using them.
Loss of sense of smell
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In most cases of Parkinson's disease (PD), people with a reduced sense of smell also suffer from some loss of smell.
Drooling
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Drooling, excessive pooling, and leakage of saliva from the oral cavity is one of the symptoms of Parkinson's disease.
Constipation
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Constipation and gastrointestinal problems are also a symptom of Parkinson's disease.
Sleep disorders
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Sleep disorders and rapid eye movements are also symptoms of Parkinson's disease. If you see something like this then you should see a neurologist.