• givesomefucks@lemmy.world
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      9 hours ago

      The really weird one is shellfish.

      Shellfish allergy is a big deal, And prior to refrigeration it wasn’t a common food unless right near da beach.

      So people could not try it till they were adults, and just keel over on the spot. But since shellfish allergy is weirdly genetic, the populations most at risk for it now, are the ones who spent centuries avoiding it. Because everyone else kept losing at least some of the people who were allergic