"This indicates that there’s another feature besides a molecule’s chemical structure that matters to our noses — the metabolic process that produced the molecul

"This indicates that there’s another feature besides a molecule’s chemical structure that matters to our noses — the metabolic process that produced the molecule in the natural world." Combined with this about Fungi in Cancer => https://news.ycombinator.com/item?id=33153350 https://news.ycombinator.com/item?id=33153350 So are dogs smelling the metabolic process of fungi to detect cancer in people through smell?