Final answer:
Some causes of dementia, like alcohol use and infections, can be reversed, while Alzheimer's disease is progressive and incurable.
Explanation:
True. Some causes of dementia can be reversible, such as alcohol use and infections. While Alzheimer's disease is incurable and progressive, there are nonorganic causes like alcoholism, malnutrition, and certain infections that can lead to symptoms of dementia but are treatable if identified early.
Learn more about causes of dementia here:
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