People in the early stages of Alzheimer’s disease typically lose their sense of smell. Now scientists at the University of Pennsylvania have found that a sniff test can help detect a condition called ...

Researchers have developed and validated a simple “peel-and-sniff” test that can be completed unsupervised at home to screen for cognitive impairment. It’s well known that impaired olfactory function ...

Loss of smell is a symptom unique to the coronavirus. It manifests itself differently than the congested, runny nose-type anosmia typical of a common cold, and it can linger for more than a week in ...