Disease Proof

Smell Gone, Alzheimer's In?

The Associated Press reports that a declining sense of smell could be an indicator of Alzheimer’s disease. Carla K. Johnson is on it:
Difficulty identifying common smells such as lemon, banana and cinnamon may be the first sign of Alzheimer's disease, according to a study that could lead to scratch-and-sniff tests to determine a person's risk for the progressive brain disorder.


Such tests could be important if scientists find ways to slow or stop Alzheimer's and the severe memory loss associated with it. For now, there's no cure for the more than 5 million Americans with the disease.

Researchers have long known that microscopic lesions considered the hallmarks of Alzheimer's first appear in a brain region important to the sense of smell.
For more on Alzheimer’s check out DiseaseProof’s Alzheimer’s archive.
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