---
title: "How Long Did Big Tobacco Hide the Effects of Smoking?"
description: "From the 1953 Plaza Hotel meeting to present day, discover how tobacco companies spent decades manufacturing doubt, hiding health risks, and misleading millions of smokers."
url: https://decodingtheunknown.pub/article/how-long-did-big-tobacco-hide-effects-smoking.md
canonical: https://decodingtheunknown.pub/article/how-long-did-big-tobacco-hide-effects-smoking
datePublished: 2026-07-28
dateModified: 2026-07-28
author:
  - name: Simon Whistler
    url: https://decodingtheunknown.pub/author/simon-whistler
publisher: Decoding the Unknown
image: "https://media.decodingtheunknown.pub/cdn-cgi/image/width=1600,height=900,fit=cover,quality=80,format=auto/articles/G1eA9ZDGLbY/hero.jpg"
type: Article
contentHash: 4b66711223229ea3fb810de03c7fbfed2f83eaac7f3da5c794459c4ee68a7635
tokens: 43
summaryUrl: https://decodingtheunknown.pub/article/how-long-did-big-tobacco-hide-effects-smoking.md.summary.md
---

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From the 1953 Plaza Hotel meeting to present day, discover how tobacco companies spent decades manufacturing doubt, hiding health risks, and misleading millions of smokers.
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