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[Insider] Japan Invented MSG. Why Do Even Some Japanese Call It "Poison"?

unseen-japan.com

MSG was invented in Japan, yet a conspiracy-fueled fear movement has turned many Japanese against it — a textbook case of how moral panic overrides scientific consensus.

Moral PanicAvailability HeuristicConspiracy TheoryNocebo Effect

Theory Briefing

  • MSG was invented in Japan, yet a conspiracy-laden movement has led even some Japanese to label their own creation 'poison.'
  • Mass poisoning scares in the 1950s and 60s seeded a fear that spread far beyond any scientific evidence, reshaping Japan's food industry.
  • The anti-MSG movement illustrates how availability bias and moral panic can entrench irrational beliefs even in the culture that originated a product.