secondhand smoke

Study: Third-Hand Smoke Exposure As Deadly As SmokingExposure to surfaces and objects that have been saturated in cigarette smoke, labeled as “third-hand smoke,” is just as deadly as smoking the cigarette itself.
Study: Second-Hand Smoke And Lung Cancer Not Clearly LinkedThe Centers for Disease Control and Prevention in Atlanta attribute approximately 3,400 lung cancer deaths every year to secondhand smoke. A new study suggests that CDC researchers may be mistaken, however.
Study: Thirdhand Cigarette Smoke Harmful To Human CellsThe findings of a new study show that thirdhand smoke can be harmful to human cells.