1. Age Factor: Aging leads to a gradual weakening of self-regulation functions in the brain, reduced metabolism of glucose and oxygen, and increased vulnerability of brain blood vessels to damage, ultimately leading to the onset of Alzheimer's disease.
2. Genetic Factor: Individuals with a family history of Alzheimer's disease have a significantly higher risk of developing the disease compared to the general population, and nearly 60% of their direct relatives are also at risk at a certain age.
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