Secondhand smoke causes disease and death in both children and adults who do not smoke. Children exposed to secondhand smoke are at increased risk of SIDS, respiratory issues, ear infections, and asthma attacks. There is no safe level of exposure to secondhand smoke. The document discusses clean indoor air laws and ordinances in Pennsylvania municipalities like Philadelphia, Harrisburg, and Pittsburgh. It provides options for Erie County to pass a resolution supporting clean indoor air or to pass an ordinance eliminating smoking in indoor workplaces, and estimates the potential health and economic impacts of such policies.