Decreased ability to identify odors can predict death: Olfactory dysfunction is a harbinger of mortality

http://feedproxy.google.com/~r/sciencedaily/~3/EUkG0N1IGok/141001155554.htm

The inability of older adults to identify scents is a strong predictor of death within five years. Almost 40% of those who failed a smelling test died during that period, compared to 10% of those with a healthy sense of smell. Olfactory dysfunction predicted mortality better than a diagnosis of heart failure or cancer.

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