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 ...

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 ...

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 ...

Scientists have long known of a link between loss of smell and dementia — mainly because the plaque buildup that signals dementia initially occurs in parts of the brain related to memory and smell.

Not having — or losing — your sense of smell may be linked to changes in breathing that could lead to depression, social isolation or other mental and physical health problems, a new study suggests.

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 ...

Let's Learn is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, LG TV, ...