If You Can Smell This, You May Not Have Alzheimer's | Popular Science
"The ability to smell is associated with the first cranial nerve and is often one of the first things
to be affected in cognitive decline," reads this release from the University of Florida,
researchers from which conducted the experiment. But with Alzheimer's patients, the sense of smell
is affected in a very particular way: The left nostril is significantly more impaired than the right. Weird! But true.
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