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If you’re an older man and having frequent bad dreams, you may want to alert your doctor, as it could be an early sign of Parkinson’s disease, according to new research from the University of Birmingham in the U.K.
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The study, published in eClinicalMedicine, focused on older men who experienced frequent nightmares. The researchers found that they were twice as likely to later be diagnosed with Parkinson’s than men who did not have recurring bad dreams.
It’s no secret that people suffering from Parkinson’s experience nightmares more frequently than the general public, but little research has been done on using nightmares as a risk factor for a brain disorder that causes unintended and uncontrollable movements, including involuntary shaking, difficulty balancing, stiffness and tremors.