Secondhand smoke is harmful to those around you, putting them at risk for serious health issues. Protect your loved ones from the dangers of secondhand smoke by getting started with 802 Quits Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Thirdhand Smoke Resource Center Protecting Californians Second Hand Smoking: Can you get Contact High from Weed? DrNatMed Blog Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA