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Does loss of smell lead to Alzheimer's disease ?

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I have just read where those who can't smell may have, or get, alzheimer's disease. I haven't been able to smell since I was about 15-16 years old. They think it is because of having my adnoids out 3 times in about 7 years when I was very young. (also had my tonsils out). Is this anything to worry about as in reference to Alzheimer's disease?
Thank you,

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replied August 8th, 2007
Alzheimer Disease Answer A3049
Alzheimer's disease is a progressive illness caused by the destruction of brain cellsleading to loss of memory and other cognitive defects, advancing to personality changes and loss of control over bodily functions. The loss of smell or olfactory function has been known to be an early sign of some degenerative diseases for over a decade but it can't be directly linked to Alzheimer as a reference. In other words people who have experienced loss of smell are not guaranteed to contract this disease in their lifetime.

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