A COVID-19 infection might blunt a person's sense of smell for years afterward, but so subtly they might not even notice it, a new study says. In all, 4 out of 5 people who reported that COVID-19 had ...

A stuffy nose during a cold is the most common reason anyone loses the ability to smell, and in the overwhelming majority of cases it clears up within days. But researchers who study neurodegenerative ...

In mild to moderate cases of coronavirus, a loss of smell, and therefore taste, is emerging as one of the most unusual early signs of the disease called Covid-19. "What's called anosmia, which ...

The human sense of smell connects directly to brain regions responsible for memory and cognitive function, making it a surprisingly accurate window into neurological health. As people age, changes in ...

Adults in their 70s who scored poorly on a sniff test had a higher risk of later heart attack, a new study showed. A new study suggests that a declining sense of smell may also signal a higher risk of ...

Diagnosing neurological illness is a lengthy, complex, and expensive process. But one surprising test might soon help to speed things up. A series of recent studies has found that checking patients' ...

A fading ability to smell coffee, flowers, or a gas leak is easy to write off as a side effect of aging or a lingering cold. But a large body of neurological research suggests that a gradual, ...