- In 1950 The Journal of the American Medical Association published two articles linking smoking and cancer:
- Tobacco Smoking as a Possible Etiological Factor in Bronchogenic Carcinoma: A Study of Six Hundred and Eighty-Four Proved Cases by E.L. Wynder and Dr. E.A. Graham
- Cancer and Tobacco Smoking: A Preliminary Report” was authored by M.L. Levin, H. Goldstein and P. R. Gerhardt
- Since then a relationship between smoking and many other conditions has been established.
- Tobacco Smoking as a Possible Etiological Factor in Bronchogenic Carcinoma: A Study of Six Hundred and Eighty-Four Proved Cases by E.L. Wynder and Dr. E.A. Graham
Internal tobacco industry documents released through litigation and whistleblowers has subsequently revealed major corporate deceit in addressing the public regarding the dangers of smoking.
John Wayne contracted cancer twice: in 1964, he was diagnosed with lung cancer and had his left lung removed, and in 1979 he contracted stomach cancer, which took his life. He felt his lung cancer was the result of his 5-pack-a-day, unfiltered cigarette habit. ~ Medical Bag

In 1964 a landmark U.S. Surgeon Generals’ smoking and health report linked smoking cigarettes with dangerous health effects, including lung cancer and heart disease.
Since that time, the rate of cigarette smoking among Americans has been dramatically reduced.

My dad smoked at least 2 packs/day and died of lung cancer at 57. When I picked him up in California and took him back to New York in ’68, he went from 160 lbs to 120 lbs in about 3 months before he died.