These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Genius Bonus: Half are woven into the background, the other half are in the footnotes.
Squick: "It's HAM!" We find out that "ham" is a term for a thing that a particular clan's women will siphon extra calories to after they pass a particular BMI, apparently an adaptation to stay slim. It seems to grow in the uterus, as they look slightly pregnant while they're growing one and cannot become pregnant while they're working on a "ham"