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Sense of smell ‘can be improved through training’

BBC News Health, www.bbc.co.uk

The sense of smell can be improved through training, a study on rats suggests.

The study, published in Nature Neuroscience, also suggests if we do not use our sense of smell, we begin to lose it.

The New York University Langone Medical Center team says their work also raises hopes of reversing loss of smell caused by ageing or disease.

But a UK expert thought that was unlikely.

Impairment in the sense of smell is associated with Alzheimer’s disease, Parkinson’s disease, schizophrenia, and even normal ageing.

Exactly why smell weakens remains a mystery, but the Langone team have pinpointed a half-inch-sized area of the rat brain called the piriform (olfactory) cortex where the problems appear to occur. Click here to read the rest of the article.

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