Developed by scientists at the University of Cincinnati (UC, Cincinnati, OH), the Sniff Magnitude Test (SMT) may sniff out olfactory disorders that could be an early warning of AlzheimerÂ’s disease, ParkinsonÂ’s disease, and other problems outside the typical sensory loss associated with aging.

The sense of smell is one of the less robust senses in humans; it is more susceptible to harm due to the fact there is less neurological machinery in the brain devoted to processing incoming information via smell. Due to this weakness, and with regard to disease-caused brain injury, the sense of smell may be sensitive to loss earlier in the disease process.

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