A Smell Test for Alzheimer’s?

May 25, 2012 – There is a large body of evidence for an association between hyposmia and Alzheimer’s dementia (AD), but the predictive value of olfactory dysfunction in the development of Alzheimer’s disease (AD) is uncertain, a new review of the topic concludes.

“We establish through a systematic review the lack of proven evidence that loss-of-smell tests can be used to clinically predict future AD,” Cyrus A. Raji, MD, PhD, from University of Pittsburgh Medical Center Mercy Hospital in Pennsylvania, who worked on the study, told Medscape Medical News.

“It’s a big public health message. This has been a huge topic in recent years, and some popular websites even promote smell tests for Alzheimer’s,” Dr. Raji added. [Read more…]