An early sign of Alzheimer’s disease can be noticed while taking a shower: what should you look out for? (Page 2 ) | June 28, 2025

A simple, but revealing test

In an eight-year study involving over 1,000 individuals, researchers employed a simple olfactory test: they scraped smell samples to identify typical aromas like soap, smoke, rose, or leather. What was the result? People who had difficulties naming these odors were considerably more likely to experience cognitive impairment later in life.

A score of less than 8 out of 12 was previously deemed a warning indicator. When combined with a short memory test, this sensory test showed to be as useful as some brain MRIs or considerably more extensive biochemical investigations. A promising outcome.

A vital clue for early detection.

What is the benefit of this test? It is straightforward, non-invasive, and inexpensive, and it may be done in a doctor’s office without specialized equipment. Above all, it would enable the identification of persons at risk prior to the emergence of apparent symptoms, allowing for earlier treatment and appropriate prevention initiatives.

As Dr. Jeffrey Motter, co-author of the study, points out, incorporating this form of screening into normal medical monitoring could fundamentally alter how we detect Alzheimer’s disease. This is an encouraging development for patients and their families.

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