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.

I’m sure we all have a favorite holiday smell. Often it’s from a favorite food with a rich aroma. But we’ve all had a time when we thought the smell signaled something wrong even before we’d sat down ...