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#anosmia

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I was born with anosmia (lack of sense of smell, yes, really). I mostly don't notice. However, I have to be careful when I write anything descriptive. Since I don't know what things smell like firsthand, I have to have someone review my work so I don't say something like "the meaty scent of fresh flowers wafted into the room".

That's right, I use a smell checker.

Australians, tea drinkers, what flavours are you tasting in "Australian Afternoon" tea?

Smelling/tasting fruit in this tea but not confident.

My recent COVID infection temporarily knocked out my ability to smell dried (and fermented ?) Camelia sinesis.

Patients recovering from COVID-19 who presented with anosmia during their acute episode have behavioral, functional, and structural brain alterations | Scientific Reports
nature.com/articles/s41598-024

#Anosmia
#LossOfSenseOfSmell
#Covid19
#Covid
#Brain
#ChangesInTheBrain

NaturePatients recovering from COVID-19 who presented with anosmia during their acute episode have behavioral, functional, and structural brain alterations - Scientific ReportsPatients recovering from COVID-19 commonly exhibit cognitive and brain alterations, yet the specific neuropathological mechanisms and risk factors underlying these alterations remain elusive. Given the significant global incidence of COVID-19, identifying factors that can distinguish individuals at risk of developing brain alterations is crucial for prioritizing follow-up care. Here, we report findings from a sample of patients consisting of 73 adults with a mild to moderate SARS-CoV-2 infection without signs of respiratory failure and 27 with infections attributed to other agents and no history of COVID-19. The participants underwent cognitive screening, a decision-making task, and MRI evaluations. We assessed for the presence of anosmia and the requirement for hospitalization. Groups did not differ in age or cognitive performance. Patients who presented with anosmia exhibited more impulsive alternative changes after a shift in probabilities (r =  − 0.26, p = 0.001), while patients who required hospitalization showed more perseverative choices (r = 0.25, p = 0.003). Anosmia correlated with brain measures, including decreased functional activity during the decision-making task, thinning of cortical thickness in parietal regions, and loss of white matter integrity. Hence, anosmia could be a factor to be considered when identifying at-risk populations for follow-up.

The #PostCovid #anosmia continues, about 3.5 weeks out - the scent of mothballs and gasoline has been less frequent lately, but I can tell my overall sense of smell remains considerably duller than in the past. Basic vitals (HR, BP, O2) all remain good.

I have to wonder how many workers whose jobs rely on smell (cooks, clinicians, lab scientists, fire fighters, style consultants) have just been winging their jobs with anosmia or dynosmia. As common as this symptom is, this has to be rampant.

Ok so I'm ready to have my sense of smell back, it's been like 5 days...

For the most of part it's been completely gone, except when I smell something like gasoline mothballs. Occasionally it overpowers flavor when eating, but most of the time my sense of taste is unaffected.

I had my first caffeinated drink (coffee in a can) this morning, monitored my heart rate, it was fine... However. For the half hour after that coffee drink, I was smelling burnt hotdog everywhere 🌭

Continued thread

Maybe it’s worth mentioning that #anosmia, taken in the round, is not a small thing. I tend to downplay it.
Think of the amount of time that you spend every day eating. Every second of that time is decoloured by anosmia.
Add to that all the missing smells that turned your head: petrichor, honeysuckle, lavender, bacon frying, coffee, wine, the favourite perfume of a loved one, the tang of the sea. All gone.
It’s invisible but omnipresent.

(Mine is a brain injury anosmia, not Covid-related, so…improvement is unlikely, after a decade.)
#LivingWithIt

From the annals of living with #anosmia
From time to time I buy a second-hand clothe through Vinted. So far always a good experience, except that when it arrives, I can’t tell the smell of it. Is it musty? Does it smell of smoke, or perfume? One hopes and assumes not. Since I live alone now, I do not have anyone I can ask, short of asking an innocent bystander an inappropriately personal question.

A small thing, but still a thing.