Dementia with Lewy Bodies (DLB) is characterized by the development of abnormal brian tissues known as Lewy bodies (and Lewy neurites) which are collections of alpha-synuclein protein within diseased brain neurons. Likeit leads to profound problems with dopamine transmission within the brain. The faulty dopamine transmission causes confusion, hallucinations, tremors, sleep disorders and falls etc.
The cause is unknown, but like Alzheimer's, it's assumed to be a combination of as yet unidentified genetic and environmental factors.
Further info UK NHS
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