These same brain regions can be affected during the early stages of Alzheimer’s disease.
Because of this connection, researchers have been exploring whether smell testing could help identify people who may be at higher risk of future cognitive decline.
The results have been intriguing.
The Simple Smell Test That Caught Researchers’ Attention
In a large study involving more than 1,000 participants, researchers asked individuals to identify a variety of common scents.
These weren’t unusual or difficult odors.
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