The health effects of tobacco were first debated in 1856 in the medical journal "The Lancet"
Dr. Isaac Adler suggested lung cancer was related to smoking in 1912
A British medical journal published a study in 1950 finding that smokers were 50 times more likely to get lung cancer
It wasn’t until 1997 that tobacco companies agreed to fund healthcare costs from smoking
In 2009, the Public Health Law Research Program, a national program office of the Robert Wood Johnson Foundation, published an evidence brief summarising the research assessing the effect of a specific law or policy on public health. They stated that "There is strong evidence supporting smoking bans and restrictions as effective public health interventions aimed at decreasing exposure to secondhand smoke.