1. Case Study 2 The Fight over Secondhand Smoke

3. Vintage cigarette ad s

7. Second Hand Smoke
There is no risk-free level of exposure to secondhand smoke (U.S. Department of Health and Human Services)
Non-smoking wives have a higher risk of lung cancer: a study from Japan (Takeshi Hirayama, 1981)
Nonsmokers who are exposed to secondhand smoke at home or at work increase their risk of developing lung cancer by 20–30%.

8. Smoking prevalence by birth cohort

12. http://www. theguardian. com/media/2002/jan/24/advertising

13. Merchants of Doubt
“The industry realized that you could create the impression of controversy simply by asking questions, even if you actually knew the answers and they didn't help your case. And so the industry began to transmogrify emerging scientific consensus into raging scientific 'debate.‘”
“Balance was interpreted, it seems, as giving equal weight to both sides, rather than giving accurate weight to both sides.“
“We think that science provides certainty, so if we lack certainty, we think the science must be faulty or incomplete.”