Anosmia and hyposmia, the inability or decreased ability to smell, is estimated to afflict 3–
20% of the population. Risk of olfactory dysfunction increases with old age and may also …

Background The literature regarding clinical olfaction, olfactory loss, and olfactory
dysfunction has expanded rapidly over the past two decades, with an exponential rise in the …

Recent anecdotal and scientific reports have provided evidence of a link between COVID-19
and chemosensory impairments, such as anosmia. However, these reports have …

The rapid recovery of smell and taste functions in COVID-19 patients could be attributed to a
decrease in interleukin-6 levels rather than central nervous system ischemic injury or viral …

Olfactory dysfunction is common in Parkinson's disease (PD) and often predates the
diagnosis by years, reflecting early deposition of Lewy pathology, the histologic hallmark of …

Objectives To estimate the prevalence of, and explore potential risk factors for, taste and
smell dysfunction in the general population of the USA. Design A cross-sectional study …

The US NHANES included chemosensory assessments in the 2011–2014 protocol. We
provide an overview of this protocol and 2012 olfactory exam findings. Of the 1818 NHANES …

Chemosensory problems challenge health through diminished ability to detect warning
odors, consume a healthy diet, and maintain quality of life. We examined the prevalence and …

Importance A study of olfactory dysfunction and mortality in a large national cohort will aid in
better understanding their association when accounting for multiple relevant factors and …

Olfactory and gustatory disorders are prominent symptoms of acute COVID-19. Although
both senses recover in many patients within weeks to months, persistency has been …