COVID-19 has left many with hidden, long-term smell impairments, even if they don’t notice it. Scientists warn this could affect safety, mental health, and signal future neurological risks. Credit: Shutterstock People who suspect that their sense of smell has been dulled after a bout of COVID-19 are likely correct, a new study using an objective, 40-odor test shows. Even those who do not notice any olfactory issues may be impaired. Led by the National Institutes of Health's RECOVER initiative

Tag-uri: Coronavirus