Is There a Connection Between Cigarettes and Cancer?

In the early 1930s, a scientific study revealed that a rabbit exposed to tobacco for three years had developed a carcinoma. This is in the 1930s, about 60 years before this information is common knowledge. Edward Bernays knows that cigarettes are associated with cancer and his first step when he becomes aware of that is to send warning to company hiring him. "I do not feel that there is anything immediate to be done"