Jump to Effects upon tobacco consumption - Smoking bans (or smoke-free laws) are public policies, including criminal laws and occupational safety and health regulations, that prohibit tobacco smoking in workplaces and other public spaces. Legislation may also define smoking as more generally being the carrying or possessing of any lit tobacco product.Evidence basis · History · Public support · Effects of smoking bans. Dec 12, - Yes. Legislation to ban smoking indoors in public places is now commonplace, driven mainly by the need to protect non-smokers from exposure to secondhand smoke. A new domain for tobacco control policy is outdoor settings, where secondhand smoke is usually less of a problem.