Eliminating smoking in indoor spaces fully protects nonsmokers from exposure to secondhand smoke. Separating smokers from nonsmokers, cleaning the air, and ventilating buildings cannot eliminate exposures of nonsmokers to secondhand smoke
Eliminating smoking in indoor spaces fully protects nonsmokers from exposure tosecondhand smoke. Separating smokers from nonsmokers, cleaning the air, and ventilatingbuildings cannot eliminate exposures of nonsmokers to secondhand smoke