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Smell Test Gauges Alzheimer’s Risk

Researchers have developed a new non-invasive method to identify people at the risk of developing Alzheimer’s disease on the basis of their ability to recognise and recall odours. There is increasing evidence that the..

 “There is increasing evidence that the neurodegeneration behind Alzheimer’s disease starts at least 10 years before the onset of memory symptoms,” said Mark Albers from the US Massachusetts General Hospital. The battery of four tests developed by the MGH team addresses both olfactory and cognitive functions and involved participants being presented with different smells for 2 seconds each and then asked to choose from a group of words. The study recruited 183 participants.