Lord of the memes

That is why good sushi fish is flash frozen and then thawed before serving. It will kill all the parasites in the meat.

Ironically i recently read a study that explored the theory that our allergies are caused by the modern lack of intestinal parasites. They release a moderate immune suppressant into the host organism, helping to desensitize the immune system so it doesn't react as easily to non threats like random pollen.