Association With Alzheimer's Disease
Lewy body dementia also has an association with Alzheimer's disease: Lewy bodies are also found in patients with Alzheimer's disease. Again, the presence of Lewy bodies in the brain does not guarantee that an individual will develop Lewy body dementia.
However, researchers have theorized the symptom overlap. Other brain abnormalities apparent in all three diseases can be attributed to how the brain processes (or its inability to process) the protein alpha-synuclein. Brain scans have shown that individuals with Lewy body dementia, Parkinson's disease, and Alzheimer's disease all have plaques and tangles in their brains.
Continue reading to learn about the link with age next.