In 1951, Andrew Ivy announced Krebiozen, a cancer drug, sparking a frenzy. Despite initial excitement, it was later denounced by the American Medical Association and led to fraud charges against Ivy and his associates. Matthew C. Ehrlich's book, 'The Krebiozen Hoax,' examines the drug's rise and fall, highlighting the dangers of medical misinformation and the pitfalls of hubris.