filter cigarettes history The "greatest protection in cigarette history" is literally an asbestos filter [1954] : r/vintageads In 1952, Kent released “Micronite”
In 1952, Kent released Micronite cigarettes with filters made of blue asbestos. Marketed as kind on the lungs and a taste improvement, the so called safety feature backfired, causing twice as much cancer Cigarette filter Wikipedia When Lung Cancer Fears Emerged in the 1950s, Kent Put a Filter on their Cigarettes. It Was Made From Asbestos In a shockingly ironic twist of medical history, Kent cigarettes responded to early cancer fears by introducing the Micronite filter. Marketed as the ultimate health safeguard, this filter actually contained crocidolite, a File:Cigarette packs.jpg Wikimedia Commons High Tech Filters
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