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A study on the frequency of olfactory dysfunction.

B N Landis1, C G Konnerth, T Hummel

  • 1Smell and Taste Clinic, Department of Otorhinolaryngology, University of Dresden Medical School, Fetscherstrasse 74, 01307 Dresden, Germany.

The Laryngoscope
|September 30, 2004
PubMed
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Olfactory dysfunction is more common than previously thought, especially in individuals under 65. Age, gender, and certain diseases significantly impact the sense of smell.

Area of Science:

  • Otorhinolaryngology
  • Neuroscience
  • Gerontology

Background:

  • Olfactory dysfunction prevalence is not well-established in populations without sinonasal complaints.
  • Factors like aging, general health, and medications may influence olfactory function.

Purpose of the Study:

  • To determine the frequency of olfactory dysfunction in a large population without sinonasal issues.
  • To assess the impact of general diseases, medications, and aging on olfaction.

Main Methods:

  • Prospective study involving 1240 subjects.
  • Odor identification test ('Sniffin' Sticks') used for assessment.
  • Exclusion of subjects with sinonasal disease through detailed examination and interviews.

Main Results:

Related Experiment Videos

  • Age, gender, and specific otorhinolaryngological diseases affect olfactory function.
  • Liver diseases and non-otolaryngological cancers significantly impact olfaction.
  • Hypertension and cardiovascular problems showed minimal effect on olfactory function.

Conclusions:

  • Olfactory dysfunction is more prevalent in individuals under 65 than previously reported.
  • General health conditions play a role in olfactory function, beyond sinonasal health.