Loss of mental functions such as thinking, reasoning, and memory can be associated with this disorder. The symptoms are severe enough to interfere with daily functioning and normally affect the elderly population. In some cases, it can be cured or treated. Untreatable causes include AIDS complex, Parkinson's, and Creutzfeldt-Jakob disease. What is being described?

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Dementia is a group of symptoms rather than a disease. It develops when parts of the brain associated with learning and memory are affected by infection or disease. There are as many as 50 known causes, ranging from excessive alcohol use to Alzheimer's. Research indicates that half of all individuals over the age of 80 have dementia.

Loss of Mental Functions Such as Thinking, Reasoning, and Memory