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Is there a relationship between loss of smell and Alzheimer's?

New study finds people with biological indicators of Alzheimer's disease have trouble distinguishing various smells.

Detecting early signs of Alzheimer’s disease isn’t an easy task. By the time an individual experiences symptoms and is diagnosed with Alzheimer’s, it’s often too late. At the point of diagnosis, a person’s memory has reached the point of decline, and that’s pretty much the indicator that Alzheimer’s has set in. Although the progression is difficult to detect — and the rate of progression varies among individuals — it’s believed that changes in brain function due to Alzheimer’s can begin almost 20 years before clear evidence appears.

Luckily, in recent years scientists have been making progress on possible ways to detect early signs of Alzheimer’s before the disease takes control.

Mother Nature Network