Presbyosmia is the gradual degeneration of
sense of smell
The sense of smell, or olfaction, is the special sense through which smells (or odors) are perceived. The sense of smell has many functions, including detecting desirable foods, hazards, and pheromones, and plays a role in taste.
In humans, ...
due to
ageing process, which occurs especially in those who are 70 years old or more. It is possibly due to loss of
nerve endings in the nose, as well as reduced
mucus production. Prebyosmia is less prevalent among elderly who are healthy, and who lack the risk factors for
smell disorders. Other factors among elderly that can effect the sense of smell are medication use and some neurological disorders, in these cases the loss of smell can be much more noticeable. There is currently no established treatment for this condition.
References
Gerontology
Olfaction
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