YouTube: Hank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translating chemical, electromagnetic, and mechanical stimuli into action potentials that our nervous system can make sense of. Today we're focusing on smell (olfaction) and taste (gustation), which are chemical senses that call on chemoreceptors. As usual, we'll begin with a quick look at how these things can go wrong
MilkmanDansays...

Very interesting...

I'm one of those people who is highly sensitive to perfumes / scents, which is sometimes called "multiple chemical sensitivity". I know that it isn't technically an "allergy", but other than that I honestly have no idea whether this whole thing is psychosomatic (all in my head), "real" but with a lot of additional input from mental/emotional states, completely real and tied in some way to the smells themselves, or completely real and tied in some way to the actual "chemicals" (in a chemistry sense) in the air. All I know is that there are a LOT of triggers for me where I can get one small whiff of something and know that I'm going to get a pounding headache.

Aggravation with that has often caused me to wonder if it would be possible to surgically or pharmacologically destroy or impair my olfaction senses, like what happened to the woman in the video, and cure the headache triggers. If the smells themselves are the triggers, it seems like that could work. If it is largely or completely psychosomatic, it could still work because I wouldn't know that I was being exposed to the smell triggers; one thing that I've considered is that I also get very angry if I'm in a private place like my home or otherwise trying to avoid triggers and somebody wanders in wearing some nasty shit and compromises the integrity of my safe zone. In public I know that I can't control what other people wear so I just try to get away very quickly from trigger smells, but in my own home I get ultra pissed if somebody comes in and stinks it up. I have wondered if that anger exacerbates or maybe even in some cases is the actual primary source of the headache symptoms. But anyway, even if that was the case, being able to cap or cut off my sense of smell would solve the problem.

The only way that the problem could persist AFTER surgically eliminating my sense of smell would be if the reaction is really to the chemicals themselves in the air. And then, that would be worse because I wouldn't have the warning system of smell telling me to get the hell away from perfume counters, ladies wearing the stuff, dudebros wearing shit like Axe, etc.

All in all, I don't actually think it would be worth the downsides. BUT, I must say I've really wondered about it when I've got a pounding headache after simply walking by somebody wearing perfume in line at a grocery store or whatever...

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