Surgeons believe the technique called functional septorhinoplasty (fSRP) ‘kickstarts’ smell recovery in patients
Archived version: https://archive.is/20250307001018/https://www.theguardian.com/society/2025/mar/07/long-covid-patients-regain-sense-smell-taste-functional-septorhinoplasty-surgery
Disclaimer: The article linked is from a single source with a single perspective. Make sure to cross-check information against multiple sources to get a comprehensive view on the situation.
After COVID, my sense of smell returned when I walked in to a room where people were doing coke. It was in the air and that was enough for me.