Olfaction and anosmia: From ancient times to COVID-19

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Mathis, Stephane | Le Masson, Gwendal | Soulages, Antoine | Duval, Fanny | Carla, Louis | Vallat, Jean Michel | Sole, Guilhem

Edité par CCSD ; Elsevier -

International audience. Olfaction, one of our five main qualitative sensory abilities, is the action of smelling or the capacity to smell. Olfactory impairment can be a sign of a medical problem, from a benign nasal/sinus problem up to a potentially serious brain injury. However, although clinicians (neurologists or not) usually test the olfactory nerves in specific clinical situations (for example, when a neurodegenerative disorder is suspected), they may omit such tests in many other situations. With the recent COVID-19 pandemic, the resurgence of anosmia has reminded us of the importance of testing this sensorineural function. We retrace here the main historical steps and discoveries concerning olfaction and anosmia.

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