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Olfactory dysfunction (OD) is a common but underdiagnosed problem in mTBI. OD is a strong predictor of 5-year mortality
, and, results in a significant decline in quality of life.  Due to the inability in identifying and discriminating between odors, anosmic patients suffer significantly higher risks of hazardous events such as those due to gas leaks and fires in general 
OD is prevalent but frequently un-diagnosed in mild cases of TBI. Because OD is associated with a significant decrease in quality of life, we screen our patients with the Gold-Standard of olfactory testing: The Sensonic’s comprehensive 40-item Smell Identification Test™. It is very reliable and accurate. (Test-retest reliability=0.94) 


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