@1234muse
Well, I think she was something like a chemist before reincarnating, and if she had to deal with some Medical stuff too, it's indeed possible she might know it. Heck, we don't have all that much information on her past life so she might've had some people close to her who suffered that because of poor conditions or sge might just be interested in knowing about most of the more common illnesses at a basic level.
But yeah, as you said, reincarnation comes with the benefit of knowing stuff others don't know, which is a point I wish was better explored in Isekais
I don't think she needs to curtsy to some old miner. She's a noble, a spirit (akin to a deity in that country), and the daughter of the nation's greatest (still living) hero. Must be her Japanese genes compelling her.
That's all well and good, I'm more surprised how the grandmother acts like a girl fresh in love when remembering the past... With her body to boot, I wouldn't be surprised if someone looking from the back would think it's a young lass with a nice style being all cheery.
Here's the catch I'm imagining will happen: She'll heal him. He'll die of old age.
Only way to make the kids hate her for not curing him but killing him instead.
I don't get it. The issue with too much fine dust in the air is well know for a very long time. This is not really a modern thing. Yes, this illness was officially identified since 15th century. And the general knowledge of it since the ancient times in Rome and Greece. You could say since >2k years.
Some would say this is a parallel world, but why something so general is not know? Not understandable. Not logical.
Well, convenience. This story is quite terrible in the Mary Sue part actually, such as how nobody can do nothing when she is around (even though Rovel is supposed to be smart) and everybody loves her so much.
Medication is likely useless for the older man as the damage has been left for too long. The way she would be able to heal him is like Falma from Isekai Yakkyoku, directly erase the particles from inside his body.
Well, for medical knowledge that boy knows more than her, that’s for sure.
She is the spirit of elements, so she could do that.
oh boy, here we go, THEORYCRAFTING MY SOCKS OFF AGAIN
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You're looking at medical and technical knowledge from our point of view still. They may look a fair bit more advanced than our own world's Dark Ages, but that is likely mainly due to the whole logistics of having an Etheric World [Spirit World] with literal manifestations as beings influencing the "lower" realms (Physical 4-D realm), and the further implications we could derive from having beings from different realms evolving in different ways, and the interweaving resulting from the interaction between such planes.
Anything that we know and that we assume is completely common knowledge, very much including what we call Medical Science, stems from our evolution track, from our bodies to the civilization development & tech level parts of contemporary Earth are able to enjoy. If this manga was depicting an Industrial Age society, we MAY (I stress MAY) have an excuse to blast the author for not illustrating knowledge of this. But in this manga, where they don't look like they even hit world level Renaissance (though they might be close, seeing as the Noble class has looks deriving from MAYBE early Renaissance designs), such medical knowledge would be either extremely rare and a trade secret from very few mining outfits (as a way to entice workers to come work for masters XYZ who have less people dying) or not common knowledge at all - which is why Mrs Isekai here has knowledge that may improve her estate's mining operations by absolutely too much.
@rluka Can she erase matter? Or just transmute it? She could just turn the foreign particles into water. I'm not sure what would happen next, though, since the encapsulating tissue changes would still be there, even if they didn't anymore have anything inside of them. Maybe they would start to disappear, maybe not.