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How common is dementia?

Samuel M. Warren, MD
Anesthesiology
The general population rate of dementia for age >65 is 3-5%.  60-80% of that is Alzheimer dementia.  Dementia increases with age, of course.  The incidence of Alzheimer dementia doubles every 5 years after age 65.

Being watchful for signs of dementia in a loved one is important.  It is also important not to confuse garden variety forgetfulness with dementia!

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.