Tags: loss of smell | signals | Alzheimer's | early indicator

Loss of Smell Signals Alzheimer's

Thursday, 14 Jan 2010 08:22 AM

New research in mice suggests that loss of smell could serve as an early indicator of Alzheimer's disease.

People with Alzheimer's are already known to suffer from loss of smell. But the new research pinpoints a direct link between development of amyloid plaques -- the bits of gunk in the brain that cause Alzheimer's disease -- and a worsening sense of smell.

The findings are reported in the Jan. 13 issue of the Journal of Neuroscience.

Researchers found that the plaques first develop in the part of the mouse brain that's devoted to the sense of smell. When tested, the mice with the plaques had to spend more time sniffing odors to remember them, and they had a hard time telling the difference between odors.

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New research in mice suggests that loss of smell could serve as an early indicator of Alzheimer's disease.
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Thursday, 14 Jan 2010 08:22 AM
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