Smell test may sniff-out Alzheimer's disease

Researchers are finding there is much to learned from the often overlooked and under appreciated sense of smell, especially as it applies to Alzheimer's and Parkinson's patients. Senior Reporter Mark Koebrich is back to explain what doctors have recently learned.
Published: 4:45 PM MDT September 13, 2018
Updated: 11:45 AM MDT September 13, 2018