Whether it is the waft of clove-studded oranges or the crisp fragrance of a fir tree, the festive season is filled with aromas that conjure Christmases past. Now researchers say our sense of smell, and its connection to our memory, could be used to help fight dementia.
Our senses can worsen as a result of disease and old age. But while impairment to hearing or vision is quickly apparent, a decline in our sense of smell can be insidious, with months or even years passing before it becomes obvious.
