John Harvey Kellogg built a wellness empire obsessed with purity, bowel cleansing, and bland food — then accidentally launched the most successful sugar-delivery system in history. From celebrity-studded sanitariums to anti-masturbation crusades and the birth of Cornflakes, this is the wild story of how a health cult became a global cereal powerhouse.

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Explore more from Peter and Afua — essays, sources, and ideas: Substack: peterfrankopan.substack.com | afuahirsch.substack.com

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