Odor Tests Could Help Detect Alzheimer’s Disease Before Onset of Symptoms, New Study Suggests

Odor Tests Could Help Detect Alzheimer’s Disease Before Onset of Symptoms, New Study Suggests
Odor identification tests may help track Alzheimer’s disease (AD) in persons at risk even before the onset of symptoms, a new study shows. The study, “Odor identification as a biomarker of preclinical AD in older adults at risk,” appeared in the journal Neurology. Gradual memory loss is observed in several types of dementia, including Alzheimer’s.

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