Both the CDC[1] and the WHO[2] disagree with what you just wrote. > Since the 1964 Surgeon General’s Report, 2.5 million adults who were nonsmokers died becaus

Both the CDC[1] and the WHO[2] disagree with what you just wrote. > Since the 1964 Surgeon General’s Report, 2.5 million adults who were nonsmokers died because they breathed secondhand smoke [1] > While the tobacco industry continues to claim that the evidence that passive smoking causes disease – particularly lung cancer – is controversial, every independent authoritative scientific body that has examined the evidence has concluded that passive smoking causes many diseases. [2] Also, the Enstrom & Kabat study is widely criticised [3] + [4]: > incorrect definition of passive smoking exposure as a “nonsmokerʼs marriage to a smoker” [3] > A severe error in the study was the failure to establish a control group of nonsmokers who were unexposed to secondhand smoke. [4] [1] https://www.cdc.gov/tobacco/data_statistics/fact_sheets/secondhand_smoke/health_effects/index.htm https://www.cdc.gov/tobacco/data_statistics/fact_sheets/seco... [2] http://www.who.int/tobacco/research/secondhand_smoke/about/en/ http://www.who.int/tobacco/research/secondhand_smoke/about/e... [3] https://www.researchgate.net/publication/236833718_Critique_of_Enstrom_Kabat%27s_Epi_Study_BMJ_2006_2003 https://www.researchgate.net/publication/236833718_Critique_... [4] [PPT] www.econ.wayne.edu/agoodman/7550/week14/Second-hand_Smoke.ppt