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Acute loss of smell is one of the most common symptoms of COVID-19, but it has been associated with other diseases such as Parkinson's disease and dementia for 20 years
"About a quarter of adults aged 65 or older have a poor sense of smell," said Honglei Chen, a professor in the Department of Epidemiology and Biostatistics at Michigan State University School of Human Medicine, which is different from vision or hearing impairment, which is largely a sensory defect.
In a first study, Chen and his team found a possible link between poor sense of smell and a higher risk of hospitalization for pneumonia
Chen's research was recently published in the journal "The Lancet Health and Longevity"
The researchers found that, compared with subjects with good sense of smell, subjects with poor sense of smell were 50% more likely to be hospitalized for pneumonia at any time during the 13-year follow-up
"As far as we know, this study provides the first epidemiological evidence that poor sense of smell (poor sense of smell) is associated with the long-term high risk of pneumonia in the elderly," said Yuan Yaqun, a postdoctoral fellow of Professor Chen's research team.
Journal Reference :
Yaqun Yuan, Zhehui Luo, Chenxi Li, Jayant M Pinto, Eric J Shiroma, Eleanor M Simonsick, Honglei Chen.
