C, there is no cure for it. If there was then you won't die from it and you wouldn't forget things easily.
The option that is only true for Alzheimer's disease is B, which states that symptoms can be treated with medications that increase acetylcholine in the brain. This is specific to Alzheimer's, as these medications help manage symptoms effectively. Both diseases affect older adults and currently have no cure, but they differ in treatment focus regarding neurotransmitters.
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