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Differentiating Anosmia from other Diseases
- Hyposmia - Reduced perception of smell
- Parosmia - Altered perception of smell
- Phantosmia - Perception of nonexistent smell
Anosmia risk factors
- Old age
- Head injury
- Common cold
- Neurodegenerative diseases
Anosmia historical perspective
One of the earliest cases of anosmia was recorded in 1864 by the neurologist John Hughlings Jackson.
Anosmia natural history, complications and prognosis
Although the olfactory nerves possess regenerative ability, the prognosis depends on the extent of damage to the nerves and the person’s recovery ability.