What is the role of smoking in the etiology of taste and smell disorders?

Updated: Dec 11, 2018
  • Author: Eric H Holbrook, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Answer

The NHANES study determined that smoking can be linked to greater risk of olfactory alteration. [18]  Research has identified squamous metaplasia and change in the morphology of the olfactory receptor neurons in smokers, as well as a higher level of apoptosis of these neurons in smokers than in controls. In addition, there is evidence that the volume of the olfactory bulb is reduced in smokers. [19]


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