Abscent, clever play on words that predictive text changes! You’ll find lots of fellow sufferers trying lots of different things that I get the impression aren’t being done in US as ganglion block being done on insurance! Abscent in a Uk site, almost single handedly run by Chrissi, and she goes all over world including recently in New York to talk about/ do smell training etc. There is lots of science/ research too.