Our sense of smell diminishes as we age, and this decline can sometimes be a predictor of cognitive decline. Older adults with poorer sense of smell are estimated to be more likely to develop dementia than those who have no significant issues.
A recent study has found that olfactory training in older adults could improve performance in identifying smells, and that this could lead to improvements in other cognitive abilities.
Researches from The University of Melbourne are now planning a pilot trial which will focus on training the brain through the nose, with their innovative method of olfactory-cognitive training (OCT), in people with mild cognitive impairment (MCI).
Read the full article here: https://pursuit.unimelb.edu.au/articles/how-smelling-can-help-your-brain