While some have linked smell loss to the nervous system, a study suggests part of the problem could be in the nose — meaning there is potential for topical treatments.
, which the Duke study builds on, found that individuals who died of covid-19 had fewer membrane-embedded receptors for detecting odor than expected.
Loss of smell can have significant implications. It’s a mechanism for threat detection — from the gas stove you accidentally left on to the stomach-turning smell of a rotten egg. And it’s a sense closely associated with memories.as well as an author of the new study, has treated patients with persistent smell loss. “It’s quite devastating for them. And a lot of times, at this point, it’s been over two years of smell loss,” she says.
as a treatment for smell loss. “What we found in the clinical trial is actually PRP has a greater likelihood of improving outcomes for covid 19-related smell loss compared to placebo,” she says, cautioning that PRP, which has anti-inflammatory qualities, isn’t “magic bullet” and needs more in-depth research — but seems promising.
And the stakes are high. With smell, Yan says, comes your ability to enjoy food and the environment around you. It even affects how you connect with others. “I’ve had patients actually come to see me and say ‘I’m a little embarrassed to come see you. I didn’t think it was a big deal. I just lost my sense of smell, but it’s actually impacted my quality of life significantly.’”
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