A Subtle Early Sign of Alzheimer’s You Might Notice in the Shower

Many people associate the earliest signs of Alzheimer's disease with memory loss, such as forgetting names or misplacing everyday items. While memory changes are common, researchers have found that some of the earliest changes may involve an entirely different sense: smell.

One surprisingly subtle clue may be difficulty recognizing familiar scents, including the smell of your regular soap while taking a shower. Although this symptom alone is not enough to diagnose Alzheimer's disease, it may provide valuable information when considered alongside other cognitive changes.

Why the Sense of Smell Matters

The ability to recognize odors is closely connected to areas of the brain involved in memory and learning.

Researchers have found that these regions may be affected early in Alzheimer's disease, which can make it harder for some individuals to correctly identify familiar smells long before more noticeable memory problems develop.

For this reason, changes in the sense of smell have become an area of growing interest in Alzheimer's research.

Researchers wanted to know whether a simple smell test could help identify people who might be at greater risk of future cognitive decline. The results were surprisingly encouraging.