• New research suggests that people diagnosed with Parkinson’s disease who have hallucinations early on face a greater risk of rapid cognitive decline.
• However, minor hallucinations often go underreported and ignored by Parkinson’s disease patients and clinicians.
• European experts ran a long-term study that tied Parkinson’s disease and early hallucinations to “a stronger decline in frontal-subcortical functions.”
• Experts encourage anyone with Parkinson’s disease who has hallucinations to inform their healthcare provider promptly.

By Jeanna D. Smiley on July 13, 2023 — Fact checked by Harriet Pike, Ph.D.

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