The NHI data used in this study also revealed several other potential independent risk factors for the two disorders.
Diabetes and head injuries associated with the occurrence of Alzheimer’s, while head injuries, cerebrovascular disease, and osteoarthritis were linked to Parkinson’s.
“Our nationwide population-based retrospective cohort study implied that tinnitus patients had higher risk for developing [Alzheimer’s] and [Parkinson’s],” the researchers wrote.
“Diabetes mellitus, and head injury increased the risk of developing [Alzheimer’s].
“Also, head injury, cerebrovascular disease, and osteoarthritis raised the risk of subsequent [Parkinson’s].
“This information is critical for clinicians to develop preventive and diagnostic strategies for assessment,” they wrote in conclusion.