A smell test developed by researchers could provide an early indication of dementia. "Early detection of cognitive impairment could help us identify people who are at risk of Alzheimer's disease and ...

A new study published in Scientific Reports suggests that a simple, self-administered smell test taken at home could help identify older adults who may be at risk for Alzheimer’s disease. Researchers ...

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.