Not sure what your comment is supposed to mean. If you mean that in 1954 nobody knew about the effects of smoking, you are wrong. The cigarette industry was w

Not sure what your comment is supposed to mean. If you mean that in 1954 nobody knew about the effects of smoking, you are wrong. The cigarette industry was well aware of it: https://tobaccocontrol.bmj.com/content/21/2/87 https://tobaccocontrol.bmj.com/content/21/2/87