University of Stirling Mar 26 2026 Second-hand smoke exposure in Scotland is down 96% since the country's landmark smoke-free legislation came into force on March 26, 2006, new research by the University of Stirling and Public Health Scotland has shown. However, analysis also shows that many workers remain exposed to second-hand smoke in settings not fully covered by legislation, such as private homes visited by care workers and outdoor hospitality. The study led by Professor Sean Semple, of