You're misinformed when it comes to secondhand smoke. From the NIH: "The U.S. Surgeon General estimates that living with a smoker increases a nonsmoker’s chanc

You're misinformed when it comes to secondhand smoke. From the NIH: "The U.S. Surgeon General estimates that living with a smoker increases a nonsmoker’s chances of developing lung cancer by 20 to 30 percent." "There is no safe level of exposure to secondhand smoke." -- https://www.cancer.gov/about-cancer/causes-prevention/risk/tobacco/second-hand-smoke-fact-sheet https://www.cancer.gov/about-cancer/causes-prevention/risk/t...