Sniffing out Alzheimer’s disease with a smell test

A study found that older adults with mild cognitive impairment had worse odour discrimination and identification than those who were cognitively normal. — TNS

When it comes to the early detection of Alzheimer’s disease, a new study suggests that the nose knows.

Mass General Brigham neurology researchers in the United States have created a smell test that shows promise as a tool for identifying risk of cognitive impairment.