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Parkinson's disease is a risk factor for PDD; it speeds up decline in cognition leading to PDD. [2] Up to 78% of people with PD have dementia. [ 2 ] Delusions in PDD are less common than in DLB, [ 2 ] and persons with PD are typically less caught up in their visual hallucinations than those with DLB. [ 7 ]
Parkinson's Disease causes constipation and gastric dysmotility that is severe enough to endanger comfort and even health. [26] A factor in this is the appearance of Lewy bodies and Lewy neurites even before these affect the functioning of the substantia nigra in the neurons in the enteric nervous system that control gut functions.
Parkinsonism is a clinical syndrome characterized by the four motor symptoms found in Parkinson's disease: tremor, bradykinesia (slowed movements), rigidity, and postural instability. [1] [2] Parkinsonism gait problems can lead to falls and serious physical injuries. Other common symptoms include:
Medical imaging techniques like positron emission tomography can support the diagnosis. Parkinson's typically manifests in individuals over 60, with about one percent affected. In those younger than 50, it is termed "early-onset PD". No cure for Parkinson's is known, and treatment focuses on alleviating symptoms.
The most common causes of drug induced acute confusion are dopaminergic drugs (used for the treatment of Parkinson's disease), diuretics, tricyclic, tetracyclic antidepressants and benzodiazepines or alcohol. The elderly, and especially those with pre-existing dementia, are most at risk for drug induced acute confusional states. [8]
The study does support previous research that dairy products increase the risk of Parkinson's disease. So milk, pesticides and brain diseases could still have a common link.