Smell Test for Alzheimer's Diagnosis steps Closer

"Diagnosis of Alzheimer's disease remains a challenge for doctors, who rely on a combination of mental and physical examinations to detect the condition. In a new study, researchers describe how a smell test could enhance the accuracy of an Alzheimer's diagnosis.

According to the Alzheimer's Association, around 5.4 million people in the U.S. are living with the disease, and every 66 seconds, one more person develops it.

At present, there is no single test for the diagnosis of Alzheimer's. Doctors make a diagnosis through a series of assessments, including physical and neurological examinations, mental state tests, blood tests, brain imaging, and an evaluation of medical history."

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