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By Mayo Clinic staffAlthough the cause of Lewy body dementia isn't clear, several factors appear to increase the risk of developing the disease:
- Age. Most cases of Lewy body dementia occur in adults older than 60.
- Sex. Lewy body dementia appears to be more common in men.
- Heredity. If you have a family member with Lewy body dementia, you may be at increased risk of the disease.