If you are in your forties to fifties, you are likely to have an identifiable, reversible cause of memory loss.
If you are in your sixties to eighties, memory loss due to either the aging process or dementia is much more common.
If there is a relatively rapid onset (weeks to months) of symptoms, a potentially reversible cause of memory loss is more likely.
A fluctuating course of symptoms, with periods of clear memory and cognition intervening between episodes of confusion or memory loss, is more likely to be due to an identifiable, reversible cause.
A gradual dwindling in memory over many years, even decades, is characteristic of memory loss due to the aging process.
A steady decline with mild symptoms progressing to severe symptoms of memory loss within a few years suggests Alzheimer's disease.
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