Home News Millions suffer long-lasting loss of smell or taste problems after COVID, study finds

Millions suffer long-lasting loss of smell or taste problems after COVID, study finds

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One in every 20 people who contract COVID-19 have long-term smell or taste problems due to the virus, new research suggests.

Driving the news: About 5% of people worldwide report smell and taste dysfunction six months after COVID, according to a study published Wednesday in The BMJ, the British Medical Association’s peer-reviewed medical journal.

Why it matters: “Given that an estimated 550 million cases of covid-19 have been reported worldwide as of July 2022, large numbers of patients will be seeking care for these disabling morbidities,” per an editorial, led by Paolo Boscolo-Rizzo from Italy’s University of Trieste, accompanying the study.

“Health systems should therefore be ready to provide support to these patients who often report feeling isolated when their symptoms are overlooked by clinicians,” the researchers note.”Loss of smell and taste adversely affects quality of life by depriving those affected of several everyday pleasures and social bonds. People can also experience anorexia, food aversions, malnutrition, anxiety, and depression.”What they did: For the study, researchers analyzed data from 18 studies that involved 3,699 patients.

They used modeling to estimate how many people’s taste or smell altered, a condition known as olfactory dysfunction, at least six months after their coronavirus infection. By the numbers: Researchers found that an estimated 5.6% of people who contracted COVID had smell dysfunction for at least six months, while 4.4% had an altered taste.

What else they found: “[W]omen are especially affected by persistent smell dysfunction, along with patients with greater initial severity of smell loss and those with nasal congestion,” according to the study.

“One patient we spoke to mentioned that she has yet to recover her sense of smell, even though it has been over 27 months since the initial infection.”Meanwhile, for “the overwhelming majority, parosmia transforms a pleasant odour into an unpleasant one, and daily activities such as smelling coffee and sensing the flavour of food can become disgusting and emotionally distressing,” per the researchers.

Worth noting: The researchers stress there are limitations to their study as the quality of research analyzed varied and it relied on self-reporting.

This “may overestimate recovery, suggesting that the true burden of olfactory dysfunction is even greater,” they write.The bottom line: “Having these now millions more people worldwide with decreased ability to smell — that may simply be a new public health crisis,” Zara Patel, a rhinologist at Stanford University who was not involved in The BMJ research, told NBC News.

Go deeper:

COVID linked to brain damage in scent areasCOVID-19 drives smell loss awareness, research1 in 5 coronavirus infections may become long COVID
Source : Axios

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NEWS7.ASIA :Millions suffer long-lasting loss of smell or taste problems after COVID, study finds
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news7.asia Millions suffer long-lasting loss of smell or taste problems after COVID, study finds