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.

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 ...

When it comes to the early detection of Alzheimer’s disease, a new study suggests that the nose knows. Mass General Brigham neurology researchers have created a smell test that shows promise as a tool ...