Loss of smell may precede cognition problems in Alzheimer’s patients: study

Reduced smell detection started from age 65, and could be an early predictor of the disease, say the US researchers.
HealthDay News

Those who carry a gene associated with Alzheimer’s disease may lose their sense of smell long before memory and thinking problems occur, a study suggests.

This early sign of potential dementia is not seen in people who do not carry this gene, called APOE e4, researchers report in the journal Neurology.